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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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Old 03-20-2017, 10:33 AM
justindenton justindenton is offline
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Location: Chicago, IL
 
Join Date: Jan 2007
Posts: 3
Mein Auto: 1995 BMW M3
Random long crank after new hpfp

Car: 2009 BMW 335i derive coupe with manual trans.

So I put on a bunch of stuff on my BMW. It started when I had bad hesitation and going into limp mode under heavy acceleration. I went ahead and put new injectors, new plugs, new coil packs, and replaced the hpfp and also cleaned the intake valves. Figured while I was in that deep I'd do everything. So I noticed that now I get a random long crank. If it's first start in the morning works beautifully. On short drives around town seems to be good too. If I drive it long and it gets enough time to warm up and stop for a few minutes and get back into the car it will long crank. If I let my car sit say at work and go out for lunch I get the long crank. If I let sit all day and go home then starts up fine. Seems to only happen when it's warmed up. I thought it was my tune so I pulled that and still happening.

So in short looking for trouble shooting ideas since it's not the normal hpfp symptoms. Thanks Justin

Last edited by justindenton; 03-20-2017 at 10:46 AM. Reason: Forgot car type
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