Maxton Design Street Pro Rear Diffuser in Black for BMW 3 Series G20 G21 M-Pack M Sport 2018 onwards
Transform the rear of your BMW 3 Series with the Maxton Design Street Pro Rear Diffuser. Engineered for the G20 Saloon and G21 Touring with the M-Pack M Sport bumper, this aggressive rear diffuser adds race-inspired styling and real presence while retaining everyday usability. Made from premium 10 mm ABS plastic with a UV protective coating, it is built to last and looks fantastic straight out of the box.
We run this diffuser on our own G20 and our customers consistently praise the fit, finish and durability. If you want a BMW G20 G21 rear diffuser that looks right, fits right and is designed for daily use, this Street Pro is the one to choose.
Fitment
- Fits only: BMW 3 Series G20 Saloon and G21 Touring with M-Pack M Sport rear bumper, 2018 onwards
What you receive
- Maxton Design Street Pro Rear Diffuser
- Mounting kit
Key features and benefits
- Street Pro series by Maxton Design for a bold, motorsport-inspired look
- Premium 10 mm thick ABS plastic for increased impact and scratch resistance
- UV protective coating to help prevent fading and discolouration
- Temperature and weather resistant for year-round durability
- Arrives vacuum sealed with protective film to keep the surface pristine during transit
- No painting required
- If you choose to paint, apply primer first
- Labelled to confirm authenticity and quality
- TUV MATERIALGUTACHTEN certified material
Available finishes
- 10 mm matte black
- 10 mm matte black with red core accent
Installation and fitting
Supplied with a mounting kit for a professional, secure fit. We recommend professional installation.
Prefer us to fit it for you? Nforcd offers fitting at our Warwickshire workshop. Request a quote at Sales@nforcd.com.
Why choose this diffuser
This Maxton Design Street Pro rear diffuser is a perfect upgrade for owners searching for BMW 3 Series G20 rear diffuser, G21 rear diffuser, M-Pack rear diffuser, M Sport rear valance, rear lower diffuser, rear bumper diffuser, performance styling diffuser, black diffuser, Street Pro diffuser and BMW body kit styling. It enhances the rear profile with distinctive fins and a purposeful stance while maintaining everyday practicality. Trusted by enthusiasts, tried by us and loved by our customers.