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      01-06-2014, 02:46 PM   #15
SUBFRAMERIPPER
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Drives: 2009 E90
Join Date: Jun 2012
Location: Denver

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Quote:
Originally Posted by Racer5M3 View Post
Speaking of battery replacement, today I took my 2008 E92 into my local BMW dealership, as I had a check control indicating an "increased battery discharge".

I was just informed by my SA that they ran diagnostics on the car, and it turns out that the battery only has 30% of its life left.

Now for the fun part: he tells me that the decrease in life is due to what he referred to as "unfavorable driving conditions". He gave the examples of leaving the key in the ignition too long, leaving the driver's side door open, etc.

I'm on the record when I say that I don't do these things. I suspect that I'm being snowed by the dealership.

Thoughts? Any guidance from fellow M3 owners would be appreciated!
Do you have an extended warranty?
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