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Reviving this thread...
Did a straight pipe in place of my resonator on my 2022 M50i. Then I learned the flaps are always closed lower than a certain RPM. I ordered a bluetooth OBD2 scanner that I'll pair with bimmerlink.
My question is...once I open the flaps using bimmerlink and pull the fuse the flaps stay open permanently? I can pull the scanner and put it away?
Also, when the fuse is put back in will valves revert to auto or I will have to connect obd2?
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