BMW M135i F20 F21 Rear Bumper Diffuser Fins- Matte Black (2010-2015). Saves replacing the whole rear diffuser, makes the whole back look much more aggressive. Ready to be painted if you would like. Can be stuck on or screwed in. Comes with screws to fit. Very easy to install. Does need building on arrival.
Will fit all one series with the same diffusers the M135i preface lift. Including 116i 118i 120i 118d 120d pre face lift.
Other designs on page.
Free First Class postage in the UK, dispatched same day should be with you in 2-3 working days.