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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 > Car surges at cold start



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      07-15-2014, 01:10 PM   #1
montegokid94
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Drives: 4 wheels
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Car surges at cold start

2010 335xi with 43k miles is pretty much FBO.

Upon cold start the RPM surge to 1500-1900 and after that its fine. No more issues no more surging, no CEL either.

Also if I am at 120 mph and WOT (6th) gear car hiccups hard and throws two codes one for fuel pump and one for injector rail sensor. It's been doing that for more than a year now doesn't do it always as I don't always drive 100+ but its there.

What you guys think HPFP going? Original HPFP.
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