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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > JB4 map 5 help please



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      07-14-2015, 11:52 PM   #1
Vince1219
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JB4 map 5 help please

So last night I had about 7 passes, car was running cool around 220... Half a tank 93 with 2 gallons of e85. The was running amazing! But north of 130 getting to 140 my car will basically put me into a safety mode and will basically stop my momentum... Any idea why?? I figured with the jb4 tube that wouldn't happen, any help please?
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      07-14-2015, 11:56 PM   #2
335socal
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Post logs.
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      07-15-2015, 12:00 AM   #3
csu87
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Anything from too high iats to fueling issues. Only way to know for sure is logs and codes if any
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      07-15-2015, 12:17 AM   #4
Vince1219
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Quote:
Originally Posted by csu87
Anything from too high iats to fueling issues. Only way to know for sure is logs and codes if any
I never dynode before..
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      07-15-2015, 12:20 AM   #5
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Quote:
Originally Posted by Vince1219 View Post
I never dynode before..
It's not dynoing, it's logging. Through jb4, mhd, cobb...

But from the sounds of it you are heat soaking
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      07-15-2015, 01:20 AM   #6
Turbo_power4ever
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Maybe overboosting. That threw me to safety map. Set one of your gauges to psi on target and one to boost. I had e40 and 93 on map 5 fbo and i saw the psi hit 19.5 psi and the jb4 threw me to map 4 i believe it is. (Safety map). that is the only time the jb4 safety feature was enabled.
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      07-15-2015, 01:21 AM   #7
LaCross
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dynode
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      07-15-2015, 01:22 AM   #8
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Quote:
Originally Posted by LaCross
dynode
Lol
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