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      06-20-2009, 07:05 PM   #3
cpt97m3
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Drives: 2009 135i
Join Date: Apr 2008
Location: So Cal

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Quote:
Originally Posted by Lester View Post
What problem does this fix?
When you buy aftermarket lowering springs that end up lowering the rear too much, this will raise it back up some. This shouldn't be needed with OE springs at all. Some aftermarket springs do get too aggressive on lowering for street use.
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