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Old 09-05-2012, 12:06 PM
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Zeichen311 Zeichen311 is offline
Lost but making good time
Location: Here, there or in transit
Join Date: Mar 2011
Posts: 4,056
Mein Auto: '11 335xi 4dr; '03 330Ci
Originally Posted by ajm8127 View Post
If the antenna for the key FOB is in the shark fin, ... battery in the key FOB. ... FOB circuity, ....

I just popped the battery door off of my FOB ... putting the FOB in the slot should recharge the battery. ...

Bottom line: Pop the battery cover off your FOB. ...
The Comfort Access keys have non-rechargeable batteries and a little access panel to allow you to replace the battery when it dies.
Non-Comfort Access keys have rechargeable batteries that cannot be replaced without disassembling the fob.
OP stated in post #4 that he does not have CA therefore advice to inspect/replace the battery is unhelpful. (Also, the rechargeables in the keys easily last over a decade with normal/regular use.)

Also, FWIW:
2011 335xi Individual 6MT - Azurite Black Metallic / Oyster & Black / Anthracite Maple + all the good stuff
2003 330Ci Sport 5MT - Black Sapphire Metallic / Natural Brown / Myrtle + the important stuff

   N47 35' 30.13" E11 10' 33.36" - End of can guess what came next. BMW CCA

Last edited by Zeichen311; 09-05-2012 at 12:07 PM. Reason: Post #
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