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Old 03-06-2020, 12:50 AM   #38
CarJunkie
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Join Date: Mar 2020
Drives: BMW1M, e30 325e, 2015 Prius,
Location: Tri-Cities, WA
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Originally Posted by M0nk3y View Post
Yea makes sense. I've driven some JB4 N54 cars (135i) coupled with a Stock 1M and I would say both surge boost pretty bad. Could have been the owners map setting
The stock throttle map is designed to produce 90% response by 50% pedal. It makes the car seem fast, but isn’t easy to control. JB4 will accentuate the problem. Proper flash tune (I use MHD android flasher) rewrites the throttle map and I use the linear option, which tries to make the response feel mote like a cable activated throttle. It’s much better.

Thanks for the feedback on the HANS...may pull the trigger on that.
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