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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 > Need help!



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      10-19-2013, 11:30 AM   #1
Edis335i
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Need help!

Hey everyone im new to this forum so im just getting use to it.
im having some problems with my jb4
any map i go to boost levels stay the same im always at 10psi
no matter what map i go to?
what could be the problem?
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      10-19-2013, 11:44 AM   #2
Edis335i
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im thinking its a diverter valve leak?
sometimes when i get on it in 2nd gear the diverter valves keep going off while im on the gas pedal?
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      10-19-2013, 11:53 AM   #3
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Quote:
Originally Posted by Edis335i
im thinking its a diverter valve leak?
sometimes when i get on it in 2nd gear the diverter valves keep going off while im on the gas pedal?
Post logs
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      10-19-2013, 12:06 PM   #4
Edis335i
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I'll try and get one today.
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      10-20-2013, 12:36 PM   #5
AW M4
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Check everything such as the divertr pipe for leaks and tighten as necessary. If everything is tight, post some logs so se can see what's going on!
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      10-20-2013, 12:46 PM   #6
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You will get stock boost levels until oil temp goes over 160*
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