Quote:
Originally Posted by linquist
Can someone clarify for me whether turning OPF off in the bm3 tune i can change the whole exhaust system an remove the filters completely or is it advised to get the remus OPF exhaust ( There the only brand i have come across that do one)
2019 M4 CP
May have been posted before but cant find a definite yes or no to this answer
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I'd message ProTuningFreaks directly on their website tbh. You'll get a definitive, accurate answer.