How to replace a bmw key battery

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Inside this key model, there is a battery that charges inductively through the steering wheel while driving. It takes some work, but the battery can be changed. To do this, the key must be cut open and the old battery de-soldered. After the new battery is soldered in, the key must be reprogrammed. If the key is very worn, this is a good time to install a new housing. Try and see first if the key was simply "forgotten" by the car by reprogramming it:. Open the car with the second key, get in and close the door, but don't shut it all the way.

How to replace a bmw key battery

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The circuit board has already been removed. Here is the video:. Appreciate 1 DanG

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Enter your VIN to confirm you're getting the right product for your car. Where to find your VIN? VIN: [[vinNumber]] delete. Don't have an account yet? Create an account. The list of BMW key fob functions keeps growing, from the simple remote unlock of the E46, through the keyless entry fob for vehicles with BMW Comfort Access, to the fully-featured touchscreen Display Key available for the latest models. In that time, a lot has changed.

How to replace a bmw key battery

Is your BMW key fob showing signs of a weakening battery? Fret not! Changing the BMW key fob battery is a simple task that can save you a trip to the dealership and some extra cash. Fortunately, this is a quick and easy process that you can do yourself. These include:.

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Appreciate 1 DanG Then again it's always in my pocket and I only use comfort access :. Yeah my spare that I never use was completely dead I replaced both with a new battery. Also showed a warning triangle on the dash. Find More Posts by Tag. When everything is working, you can glue the two halves back together with the appropriate glue — for instance Super Glue — and carefully sand off any excess glue. I swapped my key 2 battery over and it's fine now, though I'm not sure how long it'll last. Put everything back together. Mine lasted years as a daily. Find More Posts by F87source. Instead, hold them together with a rubber band. Andrew Duggar - Apr 16, Reply. Here is the video:. I did just recently, real easy to do! How much BMW X3 model fuel pump??

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Inside this key model, there is a battery that charges inductively through the steering wheel while driving. I swapped my key 2 battery over and it's fine now, though I'm not sure how long it'll last. To do this, the key must be cut open and the old battery de-soldered. These translators are helping us fix the world! Pay attention to the welded flag connectors, which are in right angles of each other. The time now is AM. Appreciate 2 DanG Add Comment. The battery type is VL Luckily I had a battery at home. Yeah my spare that I never use was completely dead I replaced both with a new battery. Want to contribute?