03-24-2024, 12:45 PM | #1 |
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Removing OPF on 228i
I wanted to make my 228i sound better so I cut off the resonator of the exhaust but it is still not enough of sound.
I found that I still have my opf installed on... Did anyone remove the opf filter already? And do you have to remap the car or do some coding? And is there a lot of sound improvement? Also I am from Slovenia, Europe. Do you think it will pass the MOT? |
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