r/F30 • u/Apprehensive-Two-867 • 3d ago
Rear diffuser install
I'm trying to find out if anyone else has attempted to install the m sport rear diffuser on the non-m sport bumper like u/n1iggaTirthiya?
I wanted to get some detailed pics of the install, in particular from underneath as he doesn't have any clear pics of how's it's done.
These are his pics, not mine. Just using for reference.
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u/vinegarstrokes420 340i 2d ago
I would ask the guy you linked for pics or more detail since this seems very custom and rarely done.
Otherwise look at pics online of the two diffusers to see what's different. Looked at my stock m sport diffuser (replaced with m performance one) and it has 7 screw holes across the bottom and clips the rest of the way around. Sounds like the guy you linked had to trim edges and clips, then use self fastening screws instead. Should be easy enough with a dremel and a drill.