for 640i

only in connection with:rear skirt 5112212110 or

carbon rear diffusor 5112212520 only for cars with M-Technik

for 640d

consisting of:
dual sports rear silencer made of stainless steel incl. chromed tailpipes design "Sports Trim"

only in connection with:rear skirt 5112212110 or

carbon rear diffusor 5112212520 only for cars with M-Technik

for 650i + 650i xDrive 

only in connection with:rear skirt 5112212110 or

carbon rear diffusor 5112212520 only for cars with M-Technik