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      11-26-2012, 11:53 AM   #67
benzy89
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Drives: '08 E90 335i
Join Date: Jan 2012
Location: Northern NJ

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2008 BMW 335i  [3.75]
Quote:
Originally Posted by AU335i View Post
however, I ran my friend's JB4 335is (intakes, DP) on 14.5 psi and I was COBB Stg. 2+ (intakes, DP, FMIC) on 18.5 psi.... we were neck and neck... so boost doesn't seem to matter as much imo.
Quote:
Originally Posted by hellomyBMW View Post
Very nice runs! I really enjoyed the videos!
I would like to see another re-match with JB4 running MAP7.
What exactly does protune do to COBB tuning?
This addresses both things I've quoted. When you buy a COBB AP, you basically download from COBB's website their OTS (Off-the-Shelf) generic maps that are kept intentionally very conservative as a safety precaution (against deviation in gas quality, regional driving conditions, etc). When you get ProTuned, the tune is essentially tailor made to your mods, quality of gas used, etc. To compare an OTS COBB against a JB4/PROcede isn't an accurate comparison, especially when most people are seeing 40-50 WHP gains with their ProTune Maps over the OTS Maps (more when doing E85 blends).
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