Originally Posted by Thadose
prove it :p
Non-M bumper with aftermarket M3 style diffuser:
Notice how the corners taper down and the diffuser just pokes straight out, instead of being flush?
OEM M3 bumper with OEM M3 diffuser:
The corners actually drop down instead of curving back like non-M bumpers.
The differences, while small, are quite easily distinguished. I much prefer the OEM M3 bumpers as they're a bit lower and wider. At 100 bucks, this is a steal.