Quote:
Originally Posted by bimmer456
It opens above 4K rpm in comfort mode. I put stick to the left so it revs higher in each gear and lets off a more aggressive tone when shifting gears. You may be able to do it with coding to keep it open at all times.
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Thanks. I had an M Performance exhaust in my old 428i that I disconnected the valve controller so that the valves stayed open all the time. Can I do something similar with the MPPSK exhaust?