M Performance Rear Diffuser, Carbon - G20 M340i
Rear lower diffuser in carbon fiber
This part is listed by BMW as BMW part number 51192459740 (51 19 2 459 740) and is described as M Performance Carbon Fiber Rear Diffuser for G20 M340i.
This piece fits with the M Performance rear bumper insert (#51192455859). It will not fit with the stock rear bumper.
This is a Genuine BMW Rear Diffuser with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
G20 (2019+) > M340i
G20 (2019+) > M340i xDrive