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10 Sites To Help You Become An Expert In Bmw Key Programmer

How to Programming a BMW Key Fob

In the ever-changing technology of automobiles it is essential for locksmiths and nearest mechanics to be educated about key programming and duplication. This will help them handle complex issues such as BMW key fob programming.

To program a new key, begin by inserting the working key into the ignition and turning it to position 1. The dash and accessory lights should turn on.

What is EEPROM?

The EEPROM chip is a non-volatile memory that can be erased or reprogrammed. It can be used to store many things, including serial numbers and other unique information in virtually any device connected to Ethernet. It is the chip that is found in printers, charge cards as well as blood sugar monitors. It can also be used to store data that regulates the microcontroller's operation and also as a way to recover from power-on reset scenarios.

The basic EEPROM chip is comprised of two field effect transistors. One has what is called a floating gate, and the other is a control gate. When the device is powered with electricity, electrons are released from the gate and can be held in a 0 or 1 state dependent on the voltage that is applied. The EEPROM can be read by determining the state of these transistors.

When the EEPROM is in the «0» state, it has no value. When the EEPROM is in the «1» state, it has a value of one. In between these states, there isn't any stored information, but it is able to be written to. EEPROMs can be erased by a short time of the voltage applied to the gate.

The benefit of EEPROM is that it can be erased and written to without the need for external circuitry. This makes it very useful in systems where the memory needs to be regularly updated, such as remote keyless system microcontrollers. However there are different memory chip models that provide similar capabilities and are more suitable for long-term storage and retrieval of large files.

Modern flash memory chips, for example are extremely popular and are found in digital cameras. They are typically used to store multimedia files intended to be used for short-term as well as long-term storage and retrieval. But they aren't EEPROMs and their fundamental functions differ from those of true EEPROMs. EEPROMs are still extensively utilized, however, because of their versatility and capacity to store a limited amount of data in a tiny space.

What is OBDII?

In the past, many car manufacturers relied on their own diagnostic systems for diagnosing car problems. Then in 1996, the government demanded that all cars have an established system to read diagnostic codes. This new system, called OBD-II, uses the same port and diagnostic code system across all models and makes of automobiles sold in the US. This means that any mechanic is able to quickly identify a problem in your vehicle by plugging it into the specific tool.

The OBD-II reads a variety of errors within the engine and other components using a standard diagnostic plug. The data is saved to the computer of the car to be later analysed. This allows the system to detect and repair any faults before they cause significant damage. The mechanic can connect an OBD-II scan tool to the port that will display error codes and inform where they originated.

Scanners have a higher computing capacity than code readers and are able to read a greater range of error codes. They also display live data graphs and save data that can be later analyzed. Some tools can even perform more complex functions, such as programming the ECU and supplying performance-enhancing options. These high-end tools are usually used by professional automotive technicians and are more expensive than simple code scanners.

When connecting a scan tool to the OBD II port, it will detect the protocol it is using, and communicate with the vehicle by using the appropriate pins. There are numerous protocols. The most common include SAE J1850 (KWP2000) that is used by Ford and certain GM automobiles ISO 14230-4, utilized in various European and Asian vehicles, and CAN. Some scanners will provide you with the code actually means, while others will only give you the code and will require an internet search to discover what it means.

What is CAS Unit?

The CAS module is a BMW device that controls the antitheft system of the car. The system works by taking an encoded signal from the key fob and verifying it with the CAS module. If the signal is valid the CAS module will send an enable signal to the engine control unit. If not, the engine won't start.

replacement bmw key fob CAS module failures can result in a variety of symptoms like key fob malfunctions central locking, alarm activation and warning lights on the dashboard. If you experience any of these symptoms, have the CAS Module inspected immediately by a professional.

The CAS system communicates to the vehicle's engine and other systems by using the BMW ICOM VCDS. The VCDS is connected to the CAS via a special cable with an DIN connector on the end. The VCDS can perform a number of functions, like displaying error codes or adjusting ignition timing. It also offers a variety of security features that shield the vehicle from theft.

BMW automobiles are equipped with a CAS key module in addition to the ICOM VCDS. The CAS module does not require batteries and is powered by the ignition coil. The key is equipped with a transponder that transmits the coded signal. This signal is transmitted using an antenna coil (loop) at the ignition lock.

The CAS state logic is implemented in the CasSystem class. This class should be installed on every instrument that needs to receive data. Multiple instances of this class could result in undesirable behavior. CasSystem also manages alert messages in addition to providing state information. To do this it generates a ca_activate_alert topic that requires event data in the form of an object with the key and priority properties. This topic contains the ID and, optionally, the suffix of the alert that you'd like to activate, along with its priority level. After you've activated an alert, Nearest the CasSystem will broadcast a message for it on the cas_alert_displayed and ca_alert_hidden event bus topics (defined by the CasEvents interface). It will also subscribe to the cas_master_warning_active and cas_master_caution_active topics to consume their statuses.

How do I program a BMW Key

BMW offers drivers in the Murrieta area keyless entry, a convenient feature that allows you to lock and unlock your car without having to use keys that are physically present. The keyless entry system can only activated once the key fob is programmed to the car. To accomplish this, you'll have to follow a few easy steps.

The process varies slightly depending on whether you wish to connect a brand new key fob to your existing BMW or are starting from scratch and don't have a working key. First, you must put the working key fob in your car and the one you'd like to program. Make sure that all windows and doors are shut. Insert the working key in the ignition and turn it quickly five times to position 1 and then back. Don't start the vehicle. Turn the key back again and then take it out.

Hold the unlock button while pressing the lock button (the BMW Logo) three times quickly. Release the unlock button and the door locks will be locked and unlocked themselves. Repeat this procedure for each key fob.

Connecting your smartphone to your car using Bluetooth is the last step. Log in to the BMW Connected application. The BMW Digital Key setup button will appear. This will allow you to use the key through the Digital Wallet App.

Once you've completed the steps, you'll be able to ensure that your BMW key fobs are ready to be used by the other members of your family as well as friends on their Corona commutes. If you need assistance from a driver, our service department is always available to offer more advice and tricks to ensure a successful bmw smart key experience!

Changing the battery in your BMW key fob is another task you may have to perform at times. It's a simple process that you can accomplish at home. To change the battery all you need to do is take off the key fob cover and then carefully remove the old battery, then replace it with a brand new CR2032. The keys will be back and be on the road in no time.

Replacing Bmw Key: The Secret Life Of Replacing Bmw Key

Replacing BMW Key Fob Batteries

Have you ever hit your BMW key fob unlock button, and nothing happened? It could be time to replace your battery if that's the case.

You can order a blank replacement key and fob online from a seller on the internet however, you'll need to bring the key to a dealer or locksmith to have it programmed to your vehicle. You'll need to present evidence of ownership such as the photocopy of your ID or registration.

Rekeying

If your BMW key fob isn't functioning correctly, the first thing you need to do is purchase a new battery. You can buy one from a dealer or a locksmith who specializes in car keys. It can take up a week for you to receive your new key and program it into your vehicle. There are some varying prices, based on the type of BMW you have and the features that it comes with.

Certain BMWs have Comfort Access, which uses near-field communications to unlock and begin the car. It saves the keys data in the Secure Element of your phone and enables a number of other features, such as acceleration, braking, drive position change, minimum steering correction, engine start/stop, and activating/deactivating the electromechanical parking brake. It is also safe to use because it only sends out signals when your smartphone is close to the BMW Digital Key. You'll need an iPhone compatible with iOS 9.3 or BMW key replacement later and an Bluetooth device that supports Bluetooth to activate the BMW Digital Key. This includes the Apple Watch, but it also supports Android phones with a Bluetooth LE profile that can run iOS 9.3 or later.

You can also program additional key fobs to work with your bmw Key Replacement by following a straightforward procedure. First, make sure the original key is in the ignition. Then, rapidly turn it to position 1 by swiftly turning the key. Remove the key and, while holding the unlock button, press the BMW logo three times on the fob. Then, turn on your car and the other BMW key fobs should now be paired with the vehicle.

You'll have to secure the BMW key fob once you've put in a new battery. This can be done by inserting it into the fob and pressing on the lock symbol. The fob should snap into place when it is put in. You can then secure your BMW car by pressing the button again on the fob. You can then unlock the doors or windows by pressing the buttons on the fob, or a physical key.

Programming

Many modern BMW models come with keyless entry and start features. These advanced keys utilize tiny computers within them to communicate with your car and make it easier to lock and unlock your vehicle and also start it at the touch of a button. These advanced keys can be convenient but they can also get less responsive over time. You may need to replace the battery in your key fob if this happens. It's a fairly easy process, but it is recommended to have a professional do it to ensure that you don't harm your key.

If you own an older BMW that uses an actual key, the replacement process is a little more complicated. You will first need to order an original BMW key and fob from our parts center. Once you've got them, you'll need follow these steps in order to program your BMW to accept them.

To begin the process, ensure that your working BMW key is in your possession and ready to use. Then, shut all doors and windows in your vehicle. Then, insert the working ignition key and swiftly move it from position 0 to position five times. Repeat the process for every additional key that you wish to program. Remember to program the next key within 30 seconds after the first key has been programmed. Once all of the key fobs are programmed, turn on your vehicle and let everything sync.

The Digital Key feature allows you to share your BMW with friends and family. It's a simple and safe method of starting your car. This is a huge advantage when you have several drivers in your household or if you are planning to share your BMW with a different person in the future.

The Digital Key feature works by sending signals to your BMW via near-field communication technology that you can access via your smartphone. This technology is similar to the technology used by the majority of smartphones. It's safe and secure and it helps to keep your BMW information private. You can learn more about this innovative feature by reading our blog article here.

Transponder Chip Replacement

If your BMW key fob stops functioning correctly It could be a sign that the transponder chip is damaged or is out of commission. These chips are an important component of your vehicle's key. They send an alert to the immobilizer system, which stops it from starting without the right key.

You can replace a BMW key fob chip on your own with the right tools and a few simple steps. It is crucial to follow the correct procedure in order to avoid the risk of result in damage to the key or void the warranty. This procedure could be more complicated than the standard car key, since it requires special equipment and skills.

It is also recommended to visit a locksmith to make sure that the new key comes with an operating transponder chip. The locksmiths can fix a key fob chip that is damaged and get you back on the road in no time.

The key fob is the primary element of your BMW since it allows you to lock and unlock your car at a distance with a push of an button. Additionally, it contains a microchip that enables your BMW to start when it is inserted into the ignition. The key fob may be prone to issues that affect its functionality.

A few of these issues are keys that are missing or dead that is unable to lock or unlock the doors, or an incompatibility. Moreover, the keys can break off inside the door locks or ignition and require replacement or repair service from a mechanic for your vehicle.

Although it is possible to replace the battery on a bmw key replacement service key fob, this must be done by an expert. This involves removing the cover from the keyfob, replacing the previous battery with a new one, and then replacing the cover. The key fob batteries are fragile and must be replaced on a regular basis. The process of replacing the battery of the key fob takes between 20 minutes to an hour, based on your provider's efficiency and the kind of BMW key you have.

Lockout Service

BMW keys differ from the typical car key. These high-end German automobiles have a unique locking system that requires skilled programming and replacement bmw key cost. Instead of standard keys that are cut in a simple way to match the cylinder of the ignition lock Modern BMW keys are equipped with transponder chips that communicate with the car's electronic systems. The chip is used to ensure that the authentic key fob is in place, preventing unauthorized start-up of the vehicle. This kind of key is also more expensive to replace if lost.

It is essential to replace a damaged or lost fob by a BMW key expert who has an excellent reputation. They can quickly confirm that the correct key fob exists and, if it is not, reprogram a replacement. They will also provide the proper keys for your car at a reasonable cost, saving you the cost of replacing your car key.

The replacement of the BMW key could take between 20 minutes to an hour. This time frame depends on the service provider, how complex the job is, and whether they have to rekey the lock. In the majority of cases the key fob can be rekeyed and programmed to your vehicle within a short time.

If you've ever locked your keys in your car, you know how difficult it is to wait for a locksmith or a tow truck. The lockout service is quick and convenient, and cheaper than breaking a window or calling a tow truck. They're available 24/7. In some instances you can have your BMW back within 30 minutes with the assistance of a professional. They won't harm your vehicle or keys during the process. If you attempt to remove the key using a coathanger or other device and it fails, it could damage the lock and cause more problems. There are some hacks to aid you out of the event of a lockout. You could, for instance you can use a rod made of straightened wire to create an opening between the top of your door and the switch or lock flipper. This will allow enough space to slide the switch, or push the button to open the door.

10 Erroneous Answers To Common Replacement Keys For Bmw Questions Do You Know The Right Answers?

Replacement Keys For BMW

If you've lost your BMW key, or are looking for a spare, there are several different alternatives available. You can purchase a replacement BMW key from a dealer or locksmith or purchase a replacement from an online seller.

Each choice has pros and cons, so it's important to understand what each option offers prior to choosing one. This will allow you to make an informed choice and choose the best option to meet your needs.

Smart keys

Smart keys are offered on certain BMW models. They provide security and convenience. They utilize a specific radio-frequency signal to communicate with the built-in antenna in your car. The chip of the smart key contains a unique code that only your car can recognize and the antenna inside your vehicle reads it in order to unlock the doors and begin the engine. Smart keys are more secure than standard keys because they secure the vehicle in a second method.

You can purchase replacement bmw 1 Series Key keys from an auto locksmith or from your dealer if you have an BMW fob. A locksmith can also program a new key into the BMW's system, which could save you some cash. Dealers can charge more but you'll get a key that works with your BMW.

Many BMW models have a key fob with a tiny LCD screen. You can control many functions using the mobile application. For instance, you can check the level of your fuel and check the status of your battery. If your BMW features this feature, you can tell it to self-park.

The key fob itself consists of a key made from plastic with a metal component concealed within. The key is equipped with a lock/unlock button and the metal part must be turned to start the ignition. Key fobs are more useful than traditional keys as you don't have to pull out the key to open the door. They also don't have keys or chains which means they're less likely to be lost.

A newer version of the BMW key fob can save your driver preferences, including seat and mirror positions, audio preferences and climate controls. It can also be used to adjust the speed limit or turn off the engine if children are in the vehicle. This is a fantastic safety feature for drivers who are new to the sport.

You can purchase a new BMW replacement key online, but you might require having it programmed by a dealer. The process can be quick and simple, but it can cost up to $200.

Transponder keys

A key with a transponder chip is an effective method to safeguard your vehicle from theft. It transmits a specific signal to the immobilizer system of the vehicle, which prevents the vehicle from starting without the key. The keys are more expensive to replace. Keep a spare set of keys in case you misplace your keys.

Most BMW automobiles have a transponder, which makes them extremely difficult to steal. The transponder chip broadcasts a unique code that is wirelessly transmitted by the key and then read by the car's computer. It will only begin the engine if the key is within the range of the car's immobilizer. The chip also transmits an indication to the ignition lock which prevents the car from being started without the proper key.

If your key is equipped with a transponder, then you'll be required to bring it to a licensed dealer or locksmith for replacement. These experts will have the equipment necessary to program the new key and verify that it is working properly. If your key fob gets lost or stolen, they'll provide you with a new one.

The first step in replacing a transponder key is to verify ownership. The process can be completed quickly when you have proof of your ownership. This could be a driver's license, title, insurance card, or any other document that proves you have the vehicle. It can be difficult if you do not have proof of ownership.

It's a good idea to keep a spare key on hand, especially if you own a BMW equipped with an automatic transmission. This will allow you to drive your car in the event that you're in an emergency situation and you aren't able to start it using the original key. It is important to always carry spare keys in your car and it's never a good idea to keep keys in your car.

A spare key will save you time and money. It's best to ensure that you don't lose your keys in the first place, but if you do, it's important to have an extra. This way, you can save yourself the expense of a replacement and the self-loathing that follows.

Keys stolen or lost

A BMW key is more than just the key to start your car. It's high-tech equipment that is designed to increase security and make it difficult for criminals to take vehicles. Transponder chips are crucial components that communicate with the vehicle system. Without it, the car will not start. This makes BMWs more secure and harder to take, but it also complicates replacing lost or Bmw 1 Series Key stolen key. The best solution is to purchase a brand new key from a dealership or auto repair shop, but you could also call an independent locksmith or auto repair shop to get help.

A locksmith who is licensed and experienced is the best option for BMW key replacement because they have the experience and capabilities to provide high-quality service. They can also help you with other services such as lock repair or key programming. They are also trained in handling European automobiles that require special tools.

Finding your VIN is the first step to getting a new key. This 17-character code is unique to BMW. It is found on your vehicle registration document or insurance policy, or on your title. The VIN is required to verify the ownership of the vehicle and to avoid keys from being stolen. being duplicated.

Once you have the VIN Contact your local dealership to order an additional key. Most dealerships can do this for you, but the process may take a bit of time. You can reduce the waiting time by calling an independent locksmith or repair shop for your vehicle for those in a hurry.

After contacting the dealership and contacting the dealership, you should verify the status of your replacement key. If it's not arrived yet You may ask them to mail it to you. You'll likely be charged a fee to avail this service.

Certain locksmiths who are independent can replace a lost or stolen BMW key for bmw however, they may cost more than the dealership. It is recommended to get quotes from several locksmiths before choosing one. You should also ask whether they have the right equipment to replace your BMW key, particularly when it's an electronic or proximity key. A trustworthy locksmith can cut a replacement key in a safe manner and bmw 1 series key without causing any further damage. They will also adhere to the proper verification protocols and will not void your warranty.

Replacement of batteries

A key fob in Marietta is the simplest method to start your car and unlock your doors. However it is only as good as its battery, and it is essential to replace it before it wears out completely. Fortunately, replacing the battery on the case of a BMW key fob is straightforward and doesn't require any special tools or skills. In fact, you can complete the task yourself in less than five minutes!

The first thing to do is to locate the battery. Once you have located it, you can remove the valet and then use a screwdriver in order to open the case. This will reveal a small hole where the battery is located. Remove the battery carefully and replace it with a new one. Make sure you align the battery correctly. When you're done, reclose the case and press the two halves until you hear an immediate snapping sound.

When you've got a brand new battery, it's important to program it to your BMW. Each car manufacturer and model has their own procedure for this, so be certain to check your owner's manual for specific instructions. Typically, this involves pressing a set of buttons in a specific order, but it can differ depending on the model of your car.

A key fob programmer can help you quickly and efficiently finish your job, whether you're replacing the battery in your BMW key fob or making duplicate keys. These tools are accessible online or in specialty stores at a variety of prices. Some of them are less than $100. This is significantly less expensive than buying a brand new key from the dealership.

Contact a dealer in Atlanta for more details on how to get an alternate key if you've lost, or stolen yours. They will be able to answer any questions about your BMW and how to use the replacement key. Be sure to check the warranty! If you have warranty or car insurance, you may be qualified for a replacement key.

What Is Bmw Key Fob And How To Use What Is Bmw Key Fob And How To Use

Hidden Functions of a BMW Key Fob

You are probably aware of how to lock your Bmw Spare Key using the fob of your key. BMW fobs could have hidden functions that you may not know about.

Here are a few suggestions to use your BMW key fob. Some of these tricks require only a little technical know-how while others require more skill.

Security

The BMW key fob has an embedded computer chip which corresponds to a specific code that is stored in the security module of the car. This helps prevent unauthorized access to your vehicle. It also helps keep your car safe by preventing unauthorized starting of the engine.

The system is continually changing to stay ahead of potential threats. The system has also added driver profiles to your fob. Each profile has a set of personal settings for radio presets as well as seat position.

These features provide peace of mind for drivers who are concerned about the theft of their vehicle. However, despite these security measures there are thieves who find ways around the security features of keyless entry systems. A recent video shows the theft of a BMW 1M being taken without keys in only three minutes. In this case, the thieves utilized a specific relay device to hack into the identifying signal that the keyfob sends out to the car.

BMW key fobs are secured by a rolling code that shields the car from unauthorized cloning or relay attacks. Furthermore, they utilize a unique encryption algorithm to ensure that only authorized users are able to use them. The BMW key fob also has an encrypted key powered by batteries that makes it difficult for criminals crack.

For these reasons, BMW key fobs are among the most secure and convenient alternatives for owners of vehicles. In addition they are cheaper than mechanical keys. BMW key fobs, unlike traditional keys, can be programmed to operate with different vehicles.

Another feature that enhances the security of the bmw key fob replacement key fob is an electronic immobilizer. This feature prevents an unauthorized access to the vehicle's engine by shutting off the starter motor if the key isn't within the range of the car. It also comes with an anti-theft function that stops the car from being started when the wrong password is entered into the keyfob iDrive system.

A physical button located on the side of the BMW key fob is another important security measure. It can be activated in the event of an emergency, such as if the car's doors are locked. In the same way, this button could be used to trigger a manual backup system in the event that the BMW's automatic lock fails engage.

Convenience

BMW cars are one of the most expensive on the market but they also have a lot of added convenience features. In addition to locking and unlocking your car it is possible to make use of your key fob to control your windows, deactivate BMW sensors, and even start the engine. The key fob is loaded with useful functions however it's easy overlook some of the most fascinating ones. You can use your key fob on a newer BMW to control the trunk, fold out exterior mirrors, bmw key replacement service and turn on the light. This feature is particularly useful when you are a business owner since it gives you to keep an eye on your vehicle at any time, anyplace.

The key fob also features a touch-sensitive display that shows important information such as the status of the battery of the vehicle as well as its remaining range. This feature is extremely beneficial, especially in the event that your commute is long and you frequently run out gas or leave your car unattended. You can avoid costly car repairs by using your key fob as a gauge for checking the gas and battery levels.

A keyfob from BMW can be used as a GPS inside the car. It can begin navigation automatically after pressing the key. This feature is ideal for long journeys, or when traveling with friends. The key fob can also be used to start the car or switch on the air conditioning. This is a convenient and simple way to ensure that your vehicle is comfortable while on a road trip.

You can program multiple BMW keys to work together. It's simple first, check that your key fob is functioning. Insert the key in the ignition, and quickly shift it from zero to one five times. The doors should unlock and lock once the syncing is complete. Take the key off, and repeat these steps for any other keys you want to connect to your vehicle.

Versatility

If you own a BMW car, it is likely that it has an innovative keyless entry system. In addition to being able to lock and unlock your car without needing to use the traditional key they also let you to start your engine by pressing your fob against a specific sensor that's mounted near the engine.

This is why you'll need to ensure that your BMW key fob as secure as you can. It is more secure if you store it in a location where it cannot be stolen. It is also possible to shield it from moisture. Fobs have been designed to be waterproof. However the best method to keep yours safe is to keep it away from direct sun and avoid using it in extreme temperatures or during rain.

The blade can be removed and is one of the most cool features on the BMW keyfob. You can use the internal key if you've lost or damaged your exterior keys or if you don't want to carry extra keys. It's on some BMW fobs in a location that's easy to access however, some may require you to remove the cap with a plastic or take off a part of the interior trim.

While you can purchase a BMW fob replacement at the dealership, you shouldn't buy used or aftermarket fobs on the internet or on eBay. BMW-certified replacement fobs are created at the dealership using your vehicle's VIN. This is for security reasons. This prevents criminals from stealing your original fob, and using it to gain unauthorized access to your vehicle.

If you require a replacement BMW key fob, you'll have to bring your current key to the dealership to get it reset. This is a simple process and you could do it yourself if you have the original key. To program the new key, simply insert the working key into the ignition and turn it to position 1 and then back rapidly 5 times. Then press the unlock button on the new key 3 times and the doors should automatically lock and unlock.

Battery Life

A key fob comes with an insignificant battery that isn't likely to last forever. In fact, it's a good idea to replace the battery every 18 months or more. This will prevent it from resetting and ensure the keyfob is providing the best performance. Fortunately, replacing the battery in the key fob is relatively easy and does not impact its programming.

Most BMW key fobs are powered by the standard CR2032 coin cell battery made of lithium. This battery is renowned for its efficiency and longevity. The key fob for BMW 3 Series models from 2012 to 2019 uses an upgraded battery, CR2450, that has a larger diameter and is able to accommodate the additional features of the model.

As far as security is concerned it is important to note that the BMW key fob is equipped with a unique identifier that constantly changes. This feature is designed to keep third-party hackers from hacking into your vehicle and copying the key fob. In reality, it's almost impossible for anyone to clone your BMW key fob, even if you lose it or have it stolen.

The key fob also has an ejectable key blade inside it that can be used to open the door or at a minimum, to unlock the interior of the vehicle. This feature is particularly useful when you are on a long journey and wish to protect the key fob from theft.

BMW dealers can offer a key fob anti-theft shield at a reasonable price to those who are worried about the vulnerability of the key fob. This small device can help guard the key fob against unwanted attention and is a good idea to get one for any vehicle you own.

While it is possible to purchase an replacement key fob through certain third-party retailers, BMW dealerships are the only place to purchase genuine BMW products specially designed for your car in accordance with the VIN. These key fobs are also assured to function properly, as they have been programmed and tested by the factory. The key fobs are also covered by a warranty, which covers any issues that might arise. This includes any defects in the materials or workmanship.