afe intake system
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09-23-2011, 04:56 PM
Drives: E92 335i, 135i, E46 M3, 540i
Join Date: Sep 2011
Location: 1721 E. Lambert Rd. Unit C, 90631 La Habra, CA
I would imagine it would be within 5hp of the 135i gains you see with the aFe intake if I'm honest. Don't think there would be that much more gained from the 1M. Even still, it's a good honest gain for not a ton of money.
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