The Rieger rear diffuser is designed for the original M-Series rear bumper on the BMW 1 F20/F21, exclusively for the 135i model. It is made to suit the original left and right tail pipes.
The diffuser is made from ABS plastic and is available in a paintable finish, carbon-look finish or gloss black. Mounting equipment is included.
It fits the BMW 1 F20 (1K4), 09.11–03.2015, pre-facelift, saloon/4-door version, and BMW 1 F21 (1K2), 09.12–03.2015, pre-facelift, 2-door version.
Note: Not suitable for vehicles with an electric towbar or a plug-in detachable towbar.
Suitable for: BMW 1 II (F20/F21).
Manufacturer’s vehicle data
- 1-series F20 (1K4): 09.11-03.2015 (before facelift) – sedan / 4-dr.
- 1-series F21 (1K2): 09.12-03.2015 (before facelift) – sedan / 2-dr.
Original data from Rieger Tuning. Please check model, year and version of your vehicle before ordering; if in doubt, contact us and we will check for you.
Versions
- ABS, needs painting
- Gloss black
- Carbon look
Approval
This part comes with a German Teilegutachten (parts certificate); the document is included. In Germany the part must be entered in the vehicle registration after fitting.
Manufacturer part no. (Rieger): 35062, 88062, 99242

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