I'm selling this exhaust for a friend. The flap doesn't close anymore. I have the same setup on my car. You can come and check out the amazing sound from this exhaust. It comes with 2 new CF tips. This exhaust will fit the 340i/440i.
Additional info here:
https://topgearsolutions.com/remus-b...i-b58-exhaust/
Pictures of the actual exhaust