Performance M
Genuine Maxton Design Racing Durability Rear Corner Extensions / Rear Side Splitters / Rear Spats / Rear Bumper Extensions (Bumper Corner Lips) for BMW 1 Series F20 M135i 2011-2015 - Matte Black 10mm ABS | M Performance Style Valance Fins
Genuine Maxton Design Racing Durability Rear Corner Extensions / Rear Side Splitters / Rear Spats / Rear Bumper Extensions (Bumper Corner Lips) for BMW 1 Series F20 M135i 2011-2015 - Matte Black 10mm ABS | M Performance Style Valance Fins
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Racing Durability Rear Corner Extensions in Matte Black for BMW 1 Series F20 M135i 2011 to 2015
Transform the back end of your BMW M135i F20 with genuine Maxton Design Racing Durability rear corner extensions. These rear bumper corner add-ons deliver a sharper, motorsport-inspired finish that ties in perfectly with diffusers, front lips and side skirts. Manufactured from robust 10 mm ABS and finished in satin black, they add a purposeful stance and complete your F20 aero package without compromising everyday usability.
Why this upgrade stands out
- Heavy-duty 10 mm ABS for a solid, premium feel and long-term rigidity.
- Improved scratch and impact resistance suited to daily road use.
- UV-stabilised surface to help preserve colour and finish.
- Weatherproof construction for year-round reliability in the UK climate.
- Delivered vacuum sealed with protective film to keep the surfaces pristine in transit.
- No paint needed. If painting, always apply a suitable primer first.
- Finish options available: 10 mm matte black or 10 mm matte black with a red core accent.
- Authenticity labels confirm a genuine Maxton Design product.
- TÜV MATERIALGUTACHTEN certified material for peace of mind.
Perfect match for your F20 build
We have installed this Maxton Racing Durability set on customer M135i F20 builds and the feedback has been consistently excellent. Fitment is precise, the matte texture complements OEM trims, and the overall look mirrors that desirable M Performance style. If you are completing a rear diffuser and splitter package or refining a subtle OEM+ aesthetic, these rear corner extensions finish the rear valance with a clean, aggressive edge.
Compatibility
For BMW 1 Series M135i F20 only. Model years 2011, 2012, 2013, 2014 and 2015.
What you receive
- Pair of Maxton Racing Durability rear corner extensions
- Mounting hardware
Finish choices
Choose from 10 mm matte black or 10 mm matte black with a red core detail to create a subtle or standout contrast. No painting required.
Fitting and support
Professional installation recommended. For expert fitting, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.
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