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      09-05-2012, 03:18 PM   #4
yogi's Avatar

Drives: F10 & E90
Join Date: Feb 2011
Location: Bellevue

iTrader: (9)

Originally Posted by RedmumbaSeattle View Post
From what I understand, though, the alternator adjusts how much voltage gets sent to the battery--so as the battery wears down, it will deliver more power to the battery on ignition. The usual dangers are explosion, fires, etc., but other people have not had issues. My main concern is the fit--the BMW battery is *huge* comparatively, and there's been some discussion about what battery is even supposed to be in there. Have you had any issues with yours? How long as it been in there? What kind of battery, etc.?
on my e90 its been there for 2 years and its a duralast. on my e60 its been there a few months.

i havent had any issues, nor have i heard of any fires or explosions. i have heard of fires due to faulty cables that were recalled. to each their own im comfortable getting into my cars and doing work myself, some arent. maybe you can replace the battery and then pay a shop or dealer to "calibrate" it?