Quote:
Originally Posted by Misko_Hryzko
So my 320i doesn't have any valve in the exhaust nor the cables suggesting the valve is there.
BMW did not agree on the complete exhaust system replacement (e.g. Armytrix) but at least OPF back system meaning resonator and muffler delete without affecting warranty. Quite good surprise. I'll let you know how sound changed once custom OPF back straight pipe is installed
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It will do a really good job helping you tune down the sound of your engine, not as much engine noise but just as much burble. That's what it helped me accomplish, keep us updated! I'd like to see how this menu helps everyone else.