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      03-26-2019, 10:17 PM   #6
lgreenlee
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Drives: 2019 M5 Competition
Join Date: Jan 2019
Location: MA

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Quote:
Originally Posted by bluem2 View Post
Mine has been misfiring and switching from cylinder from cylinder and the techs have no idea what to do
They thought it was a cool in cylinder 3, they fixed it and tested the car for 2 days before releasing the car back to me
I drove it for 2 minutes before the drive train error came back with the same issue
Now the techs are saying cylinder 6 has an issue

Can my cat back Remus exhaust throw the cars Ecu off so much to cause so much issues with misfire and drive train errors ?
So far I have yet to hear any forum members with this issue even with an aftermarket exhaust
That's unfortunate. I don't have an aftermarket exhaust if that helps. So far the car has been fine. The mis-fire counts are below the threshold of triggering codes, but they do accumulate over the drive and can be read with my OBD reader.

Does your state have any lemon laws?
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