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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 > Engine malfunction at track



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      05-16-2013, 07:25 AM   #23
Killerfish2012
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Quote:
Originally Posted by kkashanchi View Post
meth was obviously being used for cooling and not for higher octane, 14psi on even piss gas 91 octane is easily possible.
It's not about boost, it's about timing. There are many piggy, and flash maps that run 14-18lbs race/aggressive maps, with lots of timing, requiring 93-100 octane.
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      05-16-2013, 11:01 AM   #24
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Quote:
Originally Posted by Killerfish2012
Quote:
Originally Posted by kkashanchi View Post
meth was obviously being used for cooling and not for higher octane, 14psi on even piss gas 91 octane is easily possible.
It's not about boost, it's about timing. There are many piggy, and flash maps that run 14-18lbs race/aggressive maps, with lots of timing, requiring 93-100 octane.
You do understand that in the presence of higher IATs the piggy backs pulls timing right? Lol
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      05-16-2013, 11:37 AM   #25
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2009 e90 335i  [6.40]
Ummm...2nd article.

http://www.aemelectronics.com/motorsports/?cat=26
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Last edited by ken1137; 05-16-2013 at 11:44 AM.. Reason: adding
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      05-16-2013, 04:47 PM   #26
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Originally Posted by ken1137
Good find, LOL at this guy saying meth is a no no on a road course
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      06-23-2013, 08:35 PM   #27
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Finally found the problem. Wasn't overheating. Was the exhaust Vanos solenoid causing me limp mode. Replaced it and everything is fine.
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