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      10-30-2009, 10:15 PM   #8
SPEZNAS92
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Drives: 2009 135i
Join Date: Mar 2008
Location: Studio City

iTrader: (2)

it's very common and happened regularly on my 335i when I had it...it has do with the BMW Brake Assist System here's a link to another thread discussing it

http://www.e90post.com/forums/showthread.php?t=136178

from what I remember there might be a software update to help alleviate the issue.
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