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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. LOGS INSIDE



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      03-25-2016, 11:04 PM   #1
dreyo27
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Need help. LOGS INSIDE

Ok so I am finally FBO stage 2 pump and es-1 fuel line.
Filled up with E85+91 Mix, sensor reading e60
E85 backend and JB4 set to map 1 3rd gear pull.
2 things bother me. The car is hesitates initially at wot, and the on the first log the HPFP looks like it tanked for a second.
Went back to new stock spark plugs recently.

http://www.datazap.me/u/dreyo27/jb4-...log=0&data=1-4
http://www.datazap.me/u/dreyo27/jb4-...log=0&data=1-4

any thoughts?
Thank you in advance

Last edited by dreyo27; 03-26-2016 at 12:59 PM..
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      03-26-2016, 01:58 PM   #2
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bump
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      03-26-2016, 02:17 PM   #3
N54CoupeHP
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Quote:
Originally Posted by dreyo27 View Post
Ok so I am finally FBO stage 2 pump and es-1 fuel line.
Filled up with E85+91 Mix, sensor reading e60
E85 backend and JB4 set to map 1 3rd gear pull.
2 things bother me. The car is hesitates initially at wot, and the on the first log the HPFP looks like it tanked for a second.
Went back to new stock spark plugs recently.

http://www.datazap.me/u/dreyo27/jb4-...log=0&data=1-4
http://www.datazap.me/u/dreyo27/jb4-...log=0&data=1-4

any thoughts?
Thank you in advance
I can't get your links to work.
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      03-26-2016, 06:15 PM   #4
dreyo27
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http://www.datazap.me/u/dreyo27/jb4-...log=0&data=1-4
http://www.datazap.me/u/dreyo27/jb4-...log=0&data=1-4
http://www.datazap.me/u/dreyo27/jb4-...log=0&data=1-4

sorry here are the links, the last log is scary lol
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      03-30-2016, 08:30 PM   #5
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bumpity for answer
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      03-31-2016, 01:10 PM   #6
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Looks like your HPFP is definitely struggling and causing your AFR's to go very lean at high RPM. I would refrain from getting into boost until you get a new HPFP.
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      03-31-2016, 04:06 PM   #7
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Quote:
Originally Posted by Shane303 View Post
Looks like your HPFP is definitely struggling and causing your AFR's to go very lean at high RPM. I would refrain from getting into boost until you get a new HPFP.
Thats what I wanted to know. Only using 91 octane and base 8psi for next 2 weeks. on my days off will do the HPFP.
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