Quote:
Originally Posted by Best4x4xFAR
I know the specs you have listed for the OEM battery are for the 4.4i..
For reference (photos below), here are the specs for the battery in our '06 3.0i (P/N 61-21-8-381-749):
640 CCA
140 Min RC
Significantly short of the specs you have posted for the 4.4i battery..
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But the 4.x batteries will work fine in the 3.0. I have BMW 4.4 battery in my 3.0 right now.