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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 > Cylinders misfire

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      11-19-2012, 03:46 PM   #1
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Cylinders misfire


This morning when i started the car(its was cold), the engine started to shake ,rough idle and immediately SES light showed up.

I was getting the following codes
P0300 Random/Multiple Cylinder Misfire Detected
P0301 Cylinder 1 Misfire Detected
P0302 Cylinder 2 Misfire Detected
P0303 Cylinder 3 Misfire Detected
P0304 Cylinder 4 Misfire Detected

Also P0003,c0300 .. Am not sutre whar are these?. I made a reset and waiting to see if these come up again.

Did i made anything wrong resetting the codes? is this really a big issue.

Also i have just maintenance plan on the car and i dont have extended warranty.And i have a service appointment tommorow.Should i mention the service guys about the issue?

Please help me.

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      11-19-2012, 03:54 PM   #2
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You should have kept the codes for the service.
More info would be usefull...
How old are plugs?
Outside temp?
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