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ive been reading about F10 battery charging issues all afternoon.
One post ive found intertesting
"It charges up to 80% using the alternator, the last 20% is charged using the regenerative breaking..if battery charge drops below 80% the alternator kicks in.. however BMW used a bigger battery and designed the car to fully function with 80% battery charge and thus even if you idle and drive short trips only the 80% would be more than sufficient to maintain a healthy battery and electric system."
Cant believe the battery is this big of an issue. Ive had 3 e90's, only put a new battery into the 06.
All the online links are dealer or BMW type sites, i just needed to get a PN for my mechanic. After he has a PN, hes GTG
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2010 335i M sport
2008 328i
2006 325i
1995 Z28 6spd - 377rwhp rip
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