Quote:
Originally Posted by XXX555
Are most of these complaints limited to the diesel for what all of us have read?
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No. If you dig back in this (and the bimmerfest) forum you will find quite a few threads/posts about low/dead battery issues even before the 35d was being sold. Recently the posts are 35d centric. But of course, both forums have become 35d centric lately
From what I've read online, I believe the low/dead battery issue is E70 wide. particularly for those E70s that are driven infrequently and/or for mostly short trip. But low/dead battery issue MAY be exacerbated on the 35d because of higher loads ...
1 - diesels usually require more ummph to crank,
2 - the 35d DEF/SCR system includes heaters, pumps, etc. not on the gas engines. Of course if the heaters/pumps only functioned while the engine was running, it would be no big deal.
For example, what exactly causes the fairly significant voltage drop every time you open the driver door of a 35d? And what is all that commotion under the hood AFTER you turn off a 35d engine? Are these significant loads?
Funf Dreisig