Quote:
Originally Posted by Micke_B
Ok, thank you for sharing. I contacted Milltek and got the answer:
"Many thanks for your email.
With regards your enquiry we have not had any reports of CEL's illuminating due to installing any of our GPF/OPF back systems on the M2 Competition.
As such there should be no reason to get a tune to eliminate the CEL."
So that sounds promising as well. Hmm, are people just having bad OPF sensors?
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That was the same answer I got from Milltek when I contacted them before I purchased my exhaust. I haven't seen any Milltek owners report CEL issues that have had the GPF/OPF back systems fitted as yet. It is always possible though that BMW roll out software updates that make the OPF sensors more sensitive. Unfortunately I live in a high risk Covid 19 area so I am waiting for things to calm down a little before I get mine fitted.