Originally Posted by pekespeed
Did you fix the problem?
The bike is still at the BMW dealer (for 3 days and counting)
The mechanic is still convinced that the registration key for the exhaust is the problem, but he keeps looking for something that's broken.
Could a PCV replace this key? Because that is half the price (550$ vs 250$
I still find it weird that multiple users on this forum have a full system without the key and don't have any problem.