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      03-06-2013, 05:59 PM   #11
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Drives: '13 335i Sport MG/Blk
Join Date: Mar 2013
Location: NW Florida

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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.
Maybe it's the slant. When you shift to park on the slant, it's putting a load on the gearbox. Then when you reverse, the noise you hear is the load coming off the gearbox. Just a thought. Try setting parking brake first then shift to park and see if this helps next time.
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