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      10-15-2017, 12:29 PM   #30
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Drives: (Sold) 2011 E92 335i ZMP 6MT
Join Date: Mar 2014
Location: USA

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From this thread, the most important preventative maintenance you can do is promptly addressing oil leaks at the front of the engine and replacing your belt & tensioner at any sign of contamination or pulley wobble.

Due to the front crank seal design, a snapped belt is a catastrophic failure on our engines.
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