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      03-14-2016, 02:46 PM   #19
wanesso
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Drives: '08 e92 M3, no mods,no probs
Join Date: Jul 2009
Location: NY

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2008 BMW M3  [0.00]
2017 GT-R  [0.00]
2015 BMW i8  [0.00]
Quote:
Originally Posted by Exclusivs View Post
Hey guys

The "increased" battery warning has reared its head a few times on my 09, but went away when car was driven for longer durations w/ time to charge. Low mileage car (21,xxx) -nor my daily.

The error message appears every time on startup now.

Will be my first BMW battery replacement - my preference is to keep it OEM.

Where is the best place to find an OEM battery?
How much will dealer charge for change?
Is ECU tune wiped clean?

Thanks in advance guys!
I'm still driving with the original battery, 83K miles, 2008 M3 (I'm original owner)--had it tested and they said don't change it yet....but you can be sure I'll use the OEM to replace it! And the car still starts first time, everytime after 5-6 months in cold winter storage every year. I've mentioned this before to many a naysayer, but started up first time again last weekend after 5 months in storage for the 8th year in a row. NO trickle charger, ever........
Appreciate 0