Although pre-programmed for your car, your key still needs to be activated in order to be used.
Hold your new key fob flat on the dim battery indicator next to the steering column to accomplish this. After then, keep pressing the start/stop button until the “no key” warning light goes out. To check that activation was successful, press the start/stop button once more.
If this doesn’t work, you might need to activate your new key while removing your old key fob from the signal range to avoid interference. To accomplish this, first unlock your BMW with the existing key before having someone carry the key a short distance away from your car. After that, you can push the start/stop button while holding your new key against the steering column.
In This Article...
WHAT SMART KEYS ARE
Over time, car keys have undergone changes. The smart key, which enables you to lock, unlock, and start your vehicle with the touch of a button, is frequently included in modern BMW vehicles. The internal battery that powers these cutting-edge keys can degrade over time and need to be replaced. It could be necessary to change the battery if your key is acting slowly or not at all. Whether the battery needs to be changed or the complete key, our skilled BMW parts specialists will be able to tell.
DO YOU ONLY NEED TO CHANGE THE BATTERY? If your key fob is working properly, your BMW key fob battery may need to be changed. Make sure you’re using the right size of these tiny cells, which are occasionally called “watch batteries.” We can help you choose the right battery size if you require our assistance. Simply take off the key fob cover, carefully remove the outdated battery from your BMW key fob, and gently insert the new one. In no time, you’ll be back on the road.
Whether your key needs a new battery, to be re-programmed to your car, or a replacement key, can be determined by our specialists. Only the registered owner of your vehicle may order a replacement key from Tom Bush BMW because keys are a security-sensitive component of your car. Tom Bush BMW will need authentic documentation as confirmation of identification and vehicle ownership before doing so.
What you must do is as follows:
- If you want to order a new key fob, go to either Tom Bush BMW shop.
- We will require the following in order to order a new key fob:
- A valid driver’s license must be presented by the current registered owner.
- currently registered vehicles
- Every document must be identical (name, address, etc.)
- Complete settlement (Coded parts can not be cancelled and are not returnable)
- What happens if the registered owner is not present when the key fob is picked up? The name(s) of the person(s) allowed to pick up the key fob may be specified when the registered owner orders a BMW key fob. At the time of pick-up, the authorized person(s) must additionally present a government-issued identification card (such as a driver’s license).
Answers
The majority of automobile keys experience issues when their batteries become weak. By following the corresponding videos, you can replace the battery on the majority of cars with ease:
The soldered rechargeable battery used by the E39 and E46 is recharged while the vehicle is in motion. You cannot replace it in these; BMW switched to a disposable cell with the E9X.
Initialize the key only! It contains a rechargeable battery that is charged by induction (electromagnetic radiation conducted wirelessly by a coil inside the ignition to a very small coil inside the key, just like a cordless charging toothbrush). It charges whenever the ignition is on! Your key will work again if you take a brief drive.
Unfortunately, once the key runs out of power, even after it has been recharged and the key throws the signal correctly once more, THE KEY AND THE CAR DECIDE NOT TO TALK! This is an issue for both of us occasionally. Visit an autoparts store if you don’t believe me; they have keyfob checkers that light up if they “hear” the fob send an IR signal.
Fortunately, we can quickly “re-pair” the car to the key; this quick procedure to solve your issue is known as “initialization”:
However, they must be initialized one after the other. The locking button in the middle of the key fob is labeled “button 1.” In the unlock button, “button 2” (NOT the trunk button closest to the keyring hole).
1. Enter the building, shut all doors, and have your keys ready (which can just be 1 key)
2. Turn ignition to KLR with the first key (or the only key) in order to turn on the dash lights but not start the engine. After 5 seconds, turn ignition off and remove key.
3. Hold down button 2 for 30 seconds after turning off the ignition.
4. While still depressing button 2, quickly press button 1 three times in a 10-second period.
5. Disengage the two buttons
6 If everything is done successfully, all of the doors will automatically lock and unlock to signify a successful activation.
Why won’t my BMW key turn?
You’ll need a CR2032 battery if your key fob is functioning well but your BMW key fob battery has to be changed. Make sure you’re using the appropriate size of these tiny cells, sometimes referred to as “watch batteries.”
Why won’t my BMW key fob function now that the battery has been changed?
A dead battery is the most frequent cause of a key fob not functioning. Having said that, your keyfob might be having more serious issues. You might require a key fob replacement or perhaps auto door lock repair if your key fob stops operating after a battery change.
How can you use a dead key fob to start a BMW?
You won’t be able to use keyless entry or remote unlocking if your BMW has Comfort Access if the battery in your key fob has died. You can still enter and manually start your automobile, though.
Press and hold the key release button at the remote fob’s base while unlocking the door of your car, then slide out the internal key blade. This can be used in place of a standard key to unlock your car. You can locate a little hole on the bottom of the handle if the keyhole is hidden on your car door. Use the key blade to pry off the trim panel and expose the keyhole by inserting it into the hole.
Once you’re inside, put your remote key fob in the ignition slot or, if your car doesn’t have one, press it up against the steering column’s key markings. If your key fob dies, you will still be able to start your BMW using the start/stop button on the dashboard.
How is a BMW key resynchronized?
While keeping the unlock button depressed, press the BMW logo three times on your BMW key fob. After pressing the BMW logo three times, release the unlock button. Once the ignition is turned on, your new key should be associated with your BMW.
How can I program my BMW key fob now that the battery has been changed?
Your BMW key fob will need to be reset if the battery has been changed in order for it to function once again. Simple steps to accomplish this are as follows:
1. To access the battery compartment, open the key fob.
2. Take out the old battery and replace it.
3. Snap the key fob shut.
4. For around 15 seconds, press and hold the “unlock” button on the key fob.
5. When you depress the button, your key fob should be reset and ready to use once more.
How can I program my BMW key fob now that the battery has been changed?
Remove the ignition key from the car. Press the BMW logo three times while holding down the unlock button, and then let go of the button. Repeat step 3 within 30 seconds after the initial key programming if you want to program any more keys. To finish the procedure, start the engine.
Is a BMW key fob reprogrammable?
Take the BMW key fob you want to configure, hold down the unlock button, and then press and hold the BMW logo three times. The doors should lock and unlock once more. When this occurs, you are ready to go! You’ve set up your BMW key fob.
The cost of a BMW key fob
The price of a 2020 Toyota Sienna fob was comparable. Dealers, however, gave prices as low as $150 to replace a key fob for a 2017 Honda Accord. A number of BMW retailers claimed that the additional security features built into the 2020 X5 key fob justifies the roughly $500 they spend to replace and program one.
Can you fix a car key?
An auto locksmith recognized by the MLA can assist if your car keys have broken and need to be repaired or if they have become trapped in the ignition or lock. If it’s a remote key fob, the locksmith can program a new key, otherwise they’ll either fix the key or give you a replacement auto key.
Can a BMW key be recharged?
While in the ignition, BMW keys are charged. Inductive charging will be used to recharge the key’s battery from positions 1 (KL R) and 2 (Run). Simply connect an automotive battery charger to your car’s battery pos/neg if you have a low battery and want to recharge the key without driving. Jump-start the engine bay terminals, then turn the ignition to position 1 and leave the car running over night. Your car’s battery won’t discharge while the key is being charged thanks to the charger.
The time it takes to drive 30 miles to recharge a dead battery To fully recharge the battery, allow 15 key pushes and 30 hours of driving in total.
How can I fix my broken key fob?
If necessary, check the key fob battery and replace it. Check for damaged contacts or crooked buttons by disassembling the key fob. You may reprogram your remote control yourself or hire a pro to do it. If necessary, swap out your remote.
How can my key fob be reset?
Turn the key back to the “Off” position while holding down the lock button on the fob. At least three times, go through this process, finishing with the key in the “On” position.
This notifies the electronic control modules in your automobile that the signal is coming from your key in the ignition, and it then saves the information.
Are key fobs repairable?
While you might be able to repair a damaged fob, there are instances when it is just simpler to replace it. A replacement fob can cost as little as $50 depending on the make and type of your car, while they may be more expensive in other situations and end up costing you a considerable bit.
Why doesn’t my automobile recognize my key fob?
Key fob battery failure The most frequent cause of a keyless entry system failing to send signals is a faulty battery in the key fob. Use the extra key fob to unlock the car and turn on the ignition if one is available. Use the key that is included in the spare fob if it is not available to unlock the door.
Can I use a broken key to start my car?
Temporary fix: If this happens to you, the best way to fix it is to hold the blade key and the fob together while turning the key. the key to the “on” position, and then. The key can still start the key even while the blade is not attached to the fob. The green light security will activate after the immobilizer reads the chip within the fob.
How much does repairing a key fob cost?
According to Mel Yu, automotive analyst for Consumer Reports, “the cost to replace the current key fobs can run anywhere from $50 to as high as $400 depending on the manufacturer.” And that only applies to the fob. To have new mechanical backup keys created and replacement fobs configured to function with your automobile, add an additional $50 to $100.