BMW 4-Series Forums banner
1 - 1 of 1 Posts

·
Registered
Joined
·
5 Posts
Discussion Starter · #1 ·
I remember when the 335 coupe was out there was something you could disconnect in the trunk to disable to exhaust valve that gives the car a deeper exhaust note on low revs, does anyone know if there is one for the 435i?
 
1 - 1 of 1 Posts
Top