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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Major timing corrections please help



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      03-27-2020, 02:19 PM   #1
Kbudz94
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Major timing corrections please help

Hey guys. Totally new to data logging and need some help to figure out what is going on with my n54.
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      03-27-2020, 03:54 PM   #2
ragingpanda
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That is not how you do a proper datalog. Turn off traction control and do a wide open throttle pull from about 2500 rpm in 3rd gear until 7000 rpm.
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      03-27-2020, 04:04 PM   #3
Kbudz94
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Traction control was off. But il try again doing what you said.
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      03-31-2020, 06:00 AM   #4
Kbudz94
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@ragingpanda hey man I have a new log doing wht you asked https://datazap.me/u/northernn54/3rd...og=0&data=3-22 seems timing isint that off besides on cyl 4 but the major and more obvious one is I'm barely hitting 6.8psi let alone normal boost lvls and from what I see my WGDC is a bit wonky aswel.
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      03-31-2020, 06:02 AM   #5
Kbudz94
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Quote:
Originally Posted by ragingpanda View Post
That is not how you do a proper datalog. Turn off traction control and do a wide open throttle pull from about 2500 rpm in 3rd gear until 7000 rpm.
Hey man I have a proper data log up now
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      03-31-2020, 10:14 AM   #6
ragingpanda
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Quote:
Originally Posted by Kbudz94 View Post
@ragingpanda hey man I have a new log doing wht you asked https://datazap.me/u/northernn54/3rd...og=0&data=3-22 seems timing isint that off besides on cyl 4 but the major and more obvious one is I'm barely hitting 6.8psi let alone normal boost lvls and from what I see my WGDC is a bit wonky aswel.
Isn't stage 0 considered stock? Boost pressure seems a bit off at high rpms (not much) so you could try a smoke test and check out all of your vacuum lines. Your low pressure fuel sensor is reading at constant 0, so you may want to check out your low pressure fuel sensor as well.
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      03-31-2020, 04:32 PM   #7
Kbudz94
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Yeah i have a LPFS code but I've also read that a failed LPFS will just demand as much fuel as the HPFR could ever need being stuck on 100% I doubt that would lead to a low boost like that. And so what should I have for stock boost lvls?
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