Performance M
Maxton Design V3 Rear Diffuser / Splitter Valance for BMW 1 Series M140i F20 F21 (2016-2019) - Rear Bumper Lower Insert with Fins - M Performance Style Body Kit - 10mm ABS Matte/Matt Black
Maxton Design V3 Rear Diffuser / Splitter Valance for BMW 1 Series M140i F20 F21 (2016-2019) - Rear Bumper Lower Insert with Fins - M Performance Style Body Kit - 10mm ABS Matte/Matt Black
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Rear bumper upgrade for BMW M140i F20 F21 2016 to 2019 - Maxton Design V3
Give your 1 Series hot hatch the purposeful rear end it deserves with this Maxton Design V3 rear lower valance in matte black. Crafted from tough 10 mm ABS for serious durability, this rear splitter-style insert adds bold fins, road-friendly strength and a premium OEM+ finish for the BMW M140i model years 2016, 2017, 2018 and 2019.
We have fitted and used Maxton parts extensively on our own builds and customer cars, and the feedback is consistently excellent. Fitment is precise, the surface finish is quality, and the product stands up to daily driving. If you want a performance look without compromise, this V3 rear section delivers.
Compatible with
- BMW M140i F20 5-door 2016 to 2019
- BMW M140i F21 3-door 2016 to 2019
What you get
- Maxton Design V3 rear lower diffuser panel
- Mounting hardware kit
Why this upgrade works
- 10 mm thick ABS construction for high impact resistance and long-term rigidity
- Matte black finish for a factory-style appearance that complements M Performance styling
- UV-stable coating helps maintain colour and finish over time
- Weather and temperature resistant for year-round use
- Supplied vacuum sealed with protective film to prevent transit marks
- No painting required out of the box
- Genuine product with authenticity labelling
- TUV MATERIALGUTACHTEN certified material
Finish options
- Matte black 10 mm
- Matte black 10 mm with red core
If painting is desired, use a suitable primer before colour application.
The look and the fit
This rear bumper insert adds aggressive fins and a race-inspired edge while keeping that clean OEM+ vibe. The profile follows the M140i rear bumper lines for a tidy install, enhancing the rear stance and complementing other aero pieces such as side skirts, front splitters and spoilers.
Professional fitting
Prefer a hassle-free install with perfect alignment? Book fitting with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.
Search terms to help you find the right part
BMW M140i F20 F21 rear splitter. Rear valance M140i 1 Series. Back bumper diffuser insert. Performance rear undertray. M Performance style rear fins. F20 F21 1 Series 2016 2017 2018 2019 rear styling. ABS rear panel 10 mm. Satin black rear lower trim. V3 aero rear piece. BMW 1 Series M140i hatchback body kit part. B58 hot hatch rear diffuser. Rear bumper extension M140i. Track-inspired rear styling for BMW M140i.
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