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      12-06-2012, 08:34 PM   #21
135i_vs_'s Avatar
Drives: M5(sold), 135i(sold), 335d
Join Date: Sep 2011
Location: NY

Posts: 472
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What's your average MPG for daily driving? It will give a good idea how much you push your engine, as others are saying to drive the motor hard at times to clean carbon.
135i_vs_ is offline   United_States
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