Injen SP intake for BMW e90 e82:
Sp1121BLK Black
Sp1121P Chrome
Can be found near or under $300
http://www.1addicts.com/forums/showthread.php?t=321802
Quote:
We did a baseline pull with 0W-30 synthetic aims oil and got around 210whp (Which is very good for a 230whp rated engine).
Next Installed the injen intake that bumped me up to ~218whp (on avg), the sound improved and we got some extra torques (6lbft to be exact).
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http://www.dynamotorsports.ca/dynogr...iInjenDyno.jpg