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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 undrivable under heavy load (logs included)



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      09-27-2014, 11:10 AM   #1
cbeers
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Car undrivable under heavy load (logs included)

Recently had a DME failure, but had it repaired this week. Prior to the failure, I had replaced all spark plugs and ignition coils trying to remedy a misfire issue I was having (which I now believe were signs of the DME failing).

Now when I put the car under mild to heavy load, the car just shutters and bogs. No codes are being thrown and there don't appear to be any timing corrections in the logs. Driving the car normally and not pushing it, it drives relatively fine.

HERE is a link to 3 logs I attempted today. They are incomplete 3rd to 4th gear pulls as once I put my foot down past 50% throttle, the car bogs uncontrollably. I know roughly what to look for with logs, but I'm not seeing anything obvious. Any input or thoughts would be helpful, thanks!
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      09-28-2014, 12:08 AM   #2
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Looks like your timing was negative during acceleration for some reason.
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