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      01-10-2013, 08:06 PM   #23
BQTuning
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Drives: 2012 Z4 sDrive35i M Sport 6MT
Join Date: Nov 2010
Location: bq@bqtuning.com

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Quote:
Originally Posted by Zebra99 View Post
No has mentioned Stett CAI....it's a true CAI - very nice product and will likely see the same gains as the AFE Stage II SI.

And for $400 less - grab a JB4
You cannot use the STETT CAI on the 335iS. The IS has a secondary radiator in the air duct where the STETT filter would go, there just isnt any room
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