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View Full Version : P1124 on 2009 328xi coupe



MichaelM1
09-11-2021, 10:53 PM
Hi,

I have a 2009 328i XDrive coupe. 98k miles currently. I would reset the service engine soon light and it would return within 2 minutes. I replaced the MAP sensor on the intake manifold and cleared the light. I drove about 40 minutes and turned car off. Came back and turned car on after awhile and the light came back. The sensor did help it take a while to come back that’s pretty much it. No rough idling, no throttle problems, nothing of that sort. What can this possibly be? I did not use a genuine BMW sensor for the MAP, could this be the issue? Thanks! I’m new to bmw as well.

P.S: on a cold start, the car does feel a tad bit rough but nothing crazy at all. Is this an issue??

MauiM3Mania
09-12-2021, 11:04 PM
Moved to the model specific discussion area.

MichaelM1
09-14-2021, 05:02 PM
Thanks

Old525i
09-16-2021, 01:30 AM
P1124 - Throttle Control Motor Relay Circuit Short.