Kies Carbon Dry Carbon Fiber Rear Center Diffuser (OEM Style) - BMW M3 (G80) / M4 (G82 / G83)IMPORTANT: THE DIFFUSER IS ONLY THE CENTER PORTION. THE 2 OUTER WINGLETS ARE CALLED REAR SPLITTERS AND ARE SOLD SEPARATELY AS AN ADD ON OPTION. THE DIFFUSER CAN BE INSTALLED WITHOUT THE SPLITTERS. This exquisite Kies Carbon OEM replacement dry carbon fiber rear diffuser is a beautiful work of art that fits perfectly onto your G8X (G80, G82, G83) generation M3 and M4 sports sedans, coupes or convertibles. This rear diffuser not only looks amazing, it's

4'' in the front and 0

0T FSI (timing belt is driven) EA113 engines found in pre-2009 MK5 GTI and late model EA888 Gen3 engines found in 2013

"Drag" clutches are puck style discs

FPR100m AN-8

The Active Autowerke G80/G82 rear exhaust was carefully engineered to increase the sound level over the factory M3 and M4 exhaust

Plug & Play but require 2" intakes

HPA High Flow Downpipe and exhaust

1K0-407-365-E / 1K0407365 E / 1K0 407 365 E / 1K0407365E

038-103-265-AU / 038103265 AU / 038 103 265 AU / 038103265AU

E9X M3 w/ factory EDC

Include the OE-specified shims

this is most likely due to the fact that the disc is not on center