Thread: Exhaust Hack
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      12-22-2018, 09:15 AM   #17
elitex
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Quote:
Originally Posted by salfeet84 View Post
Quote:
Originally Posted by elitex View Post
I've done the same to all of my M cars and our new X5 50i. V8 in the X5 has a nice growl.
How did u do it, plz share details
So my X5 50i is an M sport. You can hear the difference when valves are opened vs closed. Can't see them but hear them.

Start the car, put it in sports plus, Rev a bit then shut it off. Uplug the valves after shutting the car off. Simple really.
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