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Old 11-14-2012, 07:56 PM is offline
I care my ride
Location: Renton
Join Date: Oct 2011
Posts: 13
Mein Auto: BMW X3
I changed my battery for an after market one

My changed at a local auto shop. Bought an aftermarket battery. The battery match and over achieved the factory requirements, but now the battery will die if I don't drive the car for more than 1 week. Checked the battery condition at multiple repair shops, and passed check.

Don't know why...

I suggest you find a dealer to do this.
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