Mar 17, 2023 · 1. Start by removing the keychain from the key fob. 2. Use a small screwdriver or knife to pry open the back panel of the key fob. 3. Take out the old battery and replace it with a new CR2032 battery. 4. Close the back panel and reattach the keychain. With a new battery, your BMW key fob should be good as new! It should not require resync after a battery change, especially when old battery still had good voltage. To resync - Get into car with other key. Leave other key well away from car. Place key (primary remote) against key markings on steering column (if no markings then place key against steering column where lock would have been). Oct 26, 2020 · Here Richard shows you how to quickly change a BMW i3 Key Battery._____If your key battery does die, you can still access your BMW i3 by Apr 30, 2009 · 12 posts · Joined 2006. #14 · May 9, 2009. Try this: Unlock the car with the remote control so all doors and boot are unlocked. Then, with the boot closed, press and hold the boot unlock button on the remote for 1 second or longer and see if the boot pops open. UK cars dont have the button in the glove box. Oct 6, 2019 · Quick instructions on how to replace the battery on a BMW key without any tools, and without breaking the expensive key. How to buy the correct battery for your BMW key. Battery Replacement for BMW Remote Smart Key Fob Prox Battery VL2020 for 2006-2014 1, 3, 5, 6 fits Series M3 M5 M6 X5 X6 Z4 E39 E46 E60 KR55WK49123 KR55WK49127 (Without Comfort Access) 29. $2495. Save 10% on 2 select item (s) FREE delivery Tue, Nov 21 on $35 of items shipped by Amazon. mNpNS.

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