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Old 06-05-2012, 07:18 PM
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Technic Technic is offline
Test... 1, 2 ,3
Location: Florida
 
Join Date: Jun 2002
Posts: 4,766
Mein Auto: 2012 M3 - 2014 528i
Quote:
Originally Posted by logicalthought View Post
Okay, I've done some homework on this. Apparently BMW's start-stop system uses a special heavy-duty starter made by Bosch, along with a heavy duty EGM battery (which won't activate start-stop if it's under heavy load in either very cold or very hot weather). I don't trust any BMW parts out of warranty (I think this company looks to parts & repairs as being a massive profit center) so I'd be a bit concerned about how durable that starter really is, but they've been using it in Europe since late 2007 so one could probably hunt around the on-line forums and see if there are any complaints about the durability. Maybe I'll do that later this week, if I have a chance.
Yes, that's correct... the Mazda approach is better from the point of view of starter load/long term reliability.
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