the 2 black cloth covered "boxes"
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12-31-2010, 09:39 AM
Drives: 2011 335i 6MT Performance
Join Date: Oct 2008
Location: Santa Monica
Can someone give a brief explanation as to why it helps to put the car in SPORT mode when going over speed bumps or going up a driveway?
'11 E90 335i M-Sport 6MT Performance Edition
BMW Performance Exhaust
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