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Originally Posted by Sonny Crockett
Hello,
I´m soon to become a 640d owner 
It has all the right features except for the exhaust pipes. It has the M-package but the exhaust pipes are round. I would like like to change to rectangular. The problem is that when you search for part number for the diffusor it shows the same number for all F13 with M-package.
Can somebody tell me the part number for the diffusor for the rectangular exhaust?
Thanks you |
Hi Sonny,
I've looked into doing the same. Main problem I faced wasn't getting the diffuser, it's that I just wanted to change the tips (circle -> rectangular), though was informed by my dealer that the tips couldn't be bought separately and that I'd have to buy a new complete back-section. Could be complete trash-talk and/or laziness from my dealer, so I'd be interested to see what your findings are!...
Tom