intake
On my other turbo cars intake systems sure seemed to add power, but we are talking about the M235i now. I added a JB4 to my car and on map 1 it lowered my 0 to 60 by .11 seconds. A week later i added an AFE intake system and it lowered my 0 to 60 by .07 seconds. I noticed improved throttle response too. My butt dyno is not very sensitive so i was suprised to notice the improved throttle response. This may not be typical but it's what i observed.
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