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      12-30-2012, 12:51 PM   #3
BMW Fanatic
Drives: slow
Join Date: Jul 2009
Location: Calgary

Posts: 3,314
iTrader: (11)

You are right. The 08-10 air filter was different to the 11+ ones.

Are you running a dried one or oiled? I have an oiled one and can personally say that idle revving has a bit of a deeper tone as does the downshifting sound, ripping it through red line is the same though.
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