Correct Battery: turn key to position 1 five times, remove key, hold unlock button then press lock button 3 times, release unlock button. Not that I know of. You shouldn't need to reprogram it though. Unless you have a different fob all you need to do is recharge the battery inside by having it in the ignition and running the car. Ever since I bought my 2006 BMW 325xi Wagon (Used) without comfort access, the keys have not locked nor unlocked the car remotely (From button). I thought that the batteries were just bad and recently bought a new key form the dealer, which the parts guy assured me it would work (Do not have comfort access, could not replace battery). Model: BMW Serie 3 E90, E92, E91 - Years 2005-2013. Part: Battery. Operation: Bmw 3 Series E90 remote control key battery replacement. Today we will see how to remove and replace the battery of the remote control of the key of a BMW 3 Series E90, in simple steps. First of all we take our remote control in hand and we go to lever on the sides My 2018 330e aux battery also needs replacing: Max eDrive not possible due to a "system request". My local BMW dealer does have the battery, which is nice, but they want $520 plus install $. The same VARTA battery is available for 72 Euro from spareto.com in Europe, I elected to get the BOSCH for 81USD. . 1241 posts · Joined 2007. #1 · Feb 15, 2015. My wife's remote's battery was low and she got the "Remote Battery Discharge" warning when starting the F10. I did some web searching and found that the remote takes a 3 volt model 2450 battery. The swap is an easy one following the below YouTube video. iTrader: ( 0) E91- Replaced diversity antenna, key still won't work. I have an '09 E91 with Comfort Access. I recently replaced the diversity antenna since both of my key remotes don't unlock/lock the car and radio reception was sub-par. Has been this way since I purchased the car a year ago. I used a replacement antenna from an E70 X5 since it BMW E90 E92 E91 E93 How to remove and replace ignition key reader module 316i 318i 320i 325i 328i 330i 335i m3 316d 318d 320d 325d 330dProducts used in the v BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > e90 wont start, brand new battery You can program a key yourself with a special tool. You can have a locksmith program you a new aftermarket key ($100 to $300). You can go to the dealer and have them program a new key ($300 to $500). Replace the battery. If that doesn’t work then your button is damaged and will need to be repaired. Send me a PM.

bmw e91 key battery replacement