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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > ***Official n55 Procede v4/5 thread***



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      01-21-2011, 01:15 PM   #89
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I don't think its a fueling issue. I was autotuned to 15.2 on v4 and never got a limp. Shockin was at 13.5 (below this supposed threshold).


-Jose
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      01-21-2011, 01:37 PM   #90
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Werd, v4 worked fine. Anyone know where I can iknd the v4 for the n55?
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      01-21-2011, 03:47 PM   #91
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ahhhh i am going to hold off on the procede then... I guess ill just buy the JB3.
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      01-21-2011, 03:54 PM   #92
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Quote:
Originally Posted by jjurroz View Post
I don't think its a fueling issue. I was autotuned to 15.2 on v4 and never got a limp. Shockin was at 13.5 (below this supposed threshold).


-Jose


Mine did it on v4 also...
Did you get the MT map on your car for v5?
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      01-21-2011, 04:00 PM   #93
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I was running 13.5 max.
You were runing 13.5 when it happend or 13.5 max PSI?


I thought it was a universal thing across all transmitions but I guess not...in my DCT I can't go past 14.4 or it does it.
Now, I can run more then that but only for single gear pulls not if I go through 2-5 or whatever.
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      01-21-2011, 04:06 PM   #94
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ahhhh i am going to hold off on the procede then... I guess ill just buy the JB3.
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      01-21-2011, 04:08 PM   #95
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ahhhh i am going to hold off on the procede then... I guess ill just buy the JB3.
i'll sell you mine
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      01-21-2011, 04:12 PM   #96
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You were runing 13.5 when it happend or 13.5 max PSI?


I thought it was a universal thing across all transmitions but I guess not...in my DCT I can't go past 14.4 or it does it.
Now, I can run more then that but only for single gear pulls not if I go through 2-5 or whatever.
13.5psi max. Works fine on the street, but at the tracks it just dies. I want to go tonight but it's going to be in the 40's. I doubt I'd even get out of 1st lol
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      01-21-2011, 04:13 PM   #97
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it atlso seems to my that cars with diferent trans hold boost different. there was some talk about how the MT whould boost creep past the target PSI but my DCT car has never done this, my boost peaks at whatever PSI i set it to and it taper down to 11~12 PSI by 6500 RPM so the trans in the car might have something to do with it.....
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      01-21-2011, 04:14 PM   #98
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13.5psi max. Works fine on the street, but at the tracks it just dies. I want to go tonight but it's going to be in the 40's. I doubt I'd even get out of 1st lol
can you descrive what or how it happens? i'm just trying to understand the issue better
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      01-21-2011, 04:18 PM   #99
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can you descrive what or how it happens? i'm just trying to understand the issue better
Well I stall at the line, 2k rpms. 1st gear comes, but I can tell power isn't really there, boost is, but not power. 2nd gear comes, then right about 6800rpms the car goes into limp mode. No power what so ever.
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      01-21-2011, 04:22 PM   #100
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      01-22-2011, 01:46 AM   #101
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Finally!!!.!!

12.9@107.53!!!!

13psi max boost!!!
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      01-22-2011, 04:11 AM   #102
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      01-22-2011, 10:15 AM   #103
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Nice !!!
Mods?
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      01-22-2011, 11:37 AM   #104
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Procede and dp. If I could get this sucker to run 14psi id be in the mid 12s
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      01-22-2011, 11:46 AM   #105
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Quote:
Originally Posted by shockin330i View Post
Procede and dp. If I could get this sucker to run 14psi id be in the mid 12s
So the most the N55 can run as for boost levels is 12 psi? I read somewhere Shiv state because of turbo efficiency for the twin scrolls and pushing anything more would need a single turbo upgrade? If thats the case, N54 FTW!
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      01-22-2011, 11:46 AM   #106
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That speed still isn't that impressive though. With Procede and DP I would expect maybe closer to 110.
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      01-22-2011, 12:16 PM   #107
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That speed still isn't that impressive though. With Procede and DP I would expect maybe closer to 110.
Well being that stock id run 13.9s at 100 this isn't too bad. Running about the same boost right now as the jb3, and with the jb3 I hit a 13.17@104. So I saved off about .15 s and gained 3mph. Granted the car wasn't fully adaptive. I kept upping the boost after every run.
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      01-22-2011, 12:22 PM   #108
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Also for comparission, my friend was running his n54 335I (fmic.dci,dps,dual meth 90/10, and jb4 running 20psi). His best time was 12.09@114mph
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      01-22-2011, 12:23 PM   #109
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Originally Posted by shockin330i View Post
Well being that stock id run 13.9s at 100 this isn't too bad. Running about the same boost right now as the jb3, and with the jb3 I hit a 13.17@104. So I saved off about .15 s and gained 3mph. Granted the car wasn't fully adaptive. I kept upping the boost after every run.
Are you AT or MT??? So just DP and Procede only?
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      01-22-2011, 12:40 PM   #110
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Quote:
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Are you AT or MT??? So just DP and Procede only?
Yeah AT
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