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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 > MHD "take a look at my log" thread



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      05-12-2024, 11:36 AM   #5985
Thatslow.n54
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3100 boost pressure control deactivation. With a 2e68 knock-sensor 1

Has anyone ever experienced these codes and has a solution. I can clear them and be good for a few weeks before it happens again and I have to let the car sit clear the codes then I can drive again.
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      05-12-2024, 04:10 PM   #5986
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Hi! I am looking for someone who can help me. I have this car:
E93 335i with forged internals, je pistons and fcp rods, hydra performance turbos, custom exhaust without cat, chargepipe, intercooler etc.
The car is not going lower then 11s on 100-200 kph on any mhd stage 2+ map 98 ron. Every map beside v5 produce throttle closure or missfire when I hard accelerate. I will post some logs here. Maybe someone can give me an advice.

https://datazap.me/u/geo467/v10-and-v5?log=0&data=23
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      05-12-2024, 04:12 PM   #5987
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I upload two logs with v10 when you can see the tps getting closed and v5 when everything is ok but the car is still slow. Only 11s 100-200 with traction turnes off.
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      05-13-2024, 10:05 PM   #5988
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Quote:
Originally Posted by Geo467 View Post
Hi! I am looking for someone who can help me. I have this car:
E93 335i with forged internals, je pistons and fcp rods, hydra performance turbos, custom exhaust without cat, chargepipe, intercooler etc.
The car is not going lower then 11s on 100-200 kph on any mhd stage 2+ map 98 ron. Every map beside v5 produce throttle closure or missfire when I hard accelerate. I will post some logs here. Maybe someone can give me an advice.

https://datazap.me/u/geo467/v10-and-v5?log=0&data=23
The v5 log looks fine but it is slow. Not sure why, timing is missing...Is the compression good? Transmission?
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335i e92 TPC 19Ts
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      05-14-2024, 04:46 AM   #5989
Geo467
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My tranmission is build to hold 800+ and is like new. Compression test is also good. I am to a dead end. I am working now with wedge. He told me I have a boost leak.
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      05-17-2024, 12:12 PM   #5990
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Quote:
Originally Posted by Geo467 View Post
Hi! I am looking for someone who can help me. I have this car:
E93 335i with forged internals, je pistons and fcp rods, hydra performance turbos, custom exhaust without cat, chargepipe, intercooler etc.
The car is not going lower then 11s on 100-200 kph on any mhd stage 2+ map 98 ron. Every map beside v5 produce throttle closure or missfire when I hard accelerate. I will post some logs here. Maybe someone can give me an advice.

https://datazap.me/u/geo467/v10-and-v5?log=0&data=23
That's super strange. I've never seen it have 0 timing. Any codes possibly related to knock sensors?
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      05-17-2024, 12:16 PM   #5991
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Quote:
Originally Posted by Bluemeover View Post
https://datazap.me/u/bluemeover/log-...og=0&data=3-20
91 oct 6466 port injection howís she look
Who did the tune? I'd detune it a bit quickly, as it seems too aggressive for the fuel you have. You've got corrections across all 6 cylinders for most of the pull and major throttle closure for more than half of the pull.
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      05-17-2024, 07:35 PM   #5992
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Iím trying to see if my hpfp is healthy by reading my logs on MHD but to be honest besides the Pressure rail psi i dont know what to look for. And someone inform me what to look for?
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      05-17-2024, 08:35 PM   #5993
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Quote:
Originally Posted by 335i_slow_ View Post
Iím trying to see if my hpfp is healthy by reading my logs on MHD but to be honest besides the Pressure rail psi i dont know what to look for. And someone inform me what to look for?
Thereís an excellent article somewhere about interpreting logs for this platform. Everyone should read it as itís informative and quite interesting.

To answer your question, your rail pressure should never under any circumstances dip below 1,500 psi during a full throttle run. Lots should be done in 3rd gear starting at around 2,500 rpmís WOT to 6k+ then shift into 4th before letting off.

If you dip below 1,500 during that, your HPFP is not healthy.
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