Quote:
Originally Posted by noka
How did you find that? Any clue why that is? I had a '06 750i driver's side door handle (w/comfort access) that drained my battery every few days. Took a while for them to locate the drain. They had to do some extensive drain tests over ~48 hr period or so but were able to finally pinpoint it. However, this was considered a h/w failure and they replaced it. I wonder if you're headlamp switch is defective, if indeed that really was the root cause. You might want to have the dealer check.
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I had the same problem with my 06 750i with the comfort access door handles draining the battery (got a new battery out of it as well). They replaced all 4 handles twice under warranty until problem was solved (1st time @ 26k and 2nd time @ 42k). It was only problem I had in 130k of usage. I will not purchase comfort access again.
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2011 X3 xDrive35i F25 (CPO) Space Grey/Black Leather, Packages: Premium, Cold Weather, BMW Apps, Sirius and Technology. BMW CCA Member (WindyCity Chapter). Former cars: 06 750i E65 (CPO) 07 E90 335i (bought used but had problematic iDrive so sold it to get 7-series)