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      03-06-2013, 06:01 PM   #12
1bad335
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Drives: 2007 335I/ 2012 335I sportline
Join Date: May 2010
Location: New York

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Quote:
Originally Posted by DarkTrigger View Post
Auto. It's after you hit the reverse and start going, then there is a loud thud below. Don't know what it is, but it happens almost every time. I'm in a parking structure so I know the surface is clear of obsticals. It's on a slant, so I was thinking it may have something to do with the hill assist.
You're right that is when I notice it too. I did think it was something to do with the brakes, maybe a caliper hanging up. The sound is to loud and metallic sounding to be the exhaust valve. I also do not think it is the hill assist.
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