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      12-28-2011, 08:45 PM   #3
CsarsGhost
New Member
 
Drives: E90 335i
Join Date: Dec 2011
Location: Fort Worth, TX

Posts: 11
iTrader: (1)

Yes you can do just the Performance Power Kit software update by itself. If requires you have the oil cooler which is part of the m sport. I recently had it installed on my 11 E90 335. Not exactly life altering difference but not bad for under 700 and no warranty issues.

There is tons of info and reviews on the forum.
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