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      07-15-2013, 09:58 AM   #8
3002 tii
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Drives: Z4, X3, 328i xDrive
Join Date: Apr 2008
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All good, I never bothered just because I've seen bulletins from BMW stating removing the filter may have adverse effects on driveability. Different motor (s54) but you get the idea:

http://www.shipkiller.com/SI%20B%201...Aug%202007.pdf
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