E60 M5 Rear Diffuser Review | BMW M5 Forum and M6 Forums
Amazon.com: Q1-TECH, 9PCS Front Bumper Lip & Side Skirt Extensions Diffuser Compatible with 2006-2010 BMW E60 M5 Model Only, Front Bumper Lip Air Chin Body Spoiler Splitter ABS (Painted Carbon) : Automotive
Amazon.com: Carbon Fiber Rear Diffuser for BMW 5 Series E60 M5 2005-2008 Rear Bumper Cover Lower Lip Spoiler Factory Outlet : Automotive
F90 M5 E Style Carbon Fiber Rear Diffuser – bmwmpower247
BMW E60 E61 Rear Diffuser M Sport, Fits Mtech Bumper, 1/2/4 Exhaust, Abs Plastic, NOT Fits M5 - Etsy
RW Carbon BMW F90 M5 3D Style Carbon Fiber Diffuser – Silicon Valley Bimmer