Performance M
Maxton Design V2 Gloss Black Rear Side Splitters for BMW 1 Series F40 M135i & M Sport (2019+) – Rear Spats, Rear Corner/Valance Extensions, Rear Bumper Add-Ons/Corner Spoilers – ABS Pair – BM-1-F40-MPACK-RS1
Maxton Design V2 Gloss Black Rear Side Splitters for BMW 1 Series F40 M135i & M Sport (2019+) – Rear Spats, Rear Corner/Valance Extensions, Rear Bumper Add-Ons/Corner Spoilers – ABS Pair – BM-1-F40-MPACK-RS1
Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.
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Genuine Maxton Design V2 gloss black rear corner extensions for BMW 1 Series F40 M135i and M Sport, 2019 onwards. Elevate the back end of your F40 hatchback with sleek, high shine aero trims that sharpen the rear profile for a clean OEM plus appearance. These precision moulded rear bumper corner pieces, often referred to as rear spats, rear valance extensions or bumper end caps, are tailored specifically for the M Sport and M135i rear apron for a cohesive, factory-style finish.
At MJ Modifications we fit these Maxton items on customer cars and our own builds, and feedback has been consistently positive. The fitment, surface quality and overall look deliver the exact premium styling upgrade F40 owners want. If you are searching for smart rear bumper extensions for a BMW 1 Series F40, this V2 set is the trusted choice.
Highlights
- Vehicle specific design for BMW 1 Series F40 M135i and F40 M Sport, 2019 onwards
- Deep gloss black finish that pairs perfectly with Maxton body styling
- Durable ABS construction for strength with useful flexibility
- V2 profile for a crisper, more aggressive rear corner detail
- Supplied as a matching left and right pair
Compatibility and part number
Fits only with Maxton Design code BM-1-F40-MPACK-RS1. Maxton reference, also known as part number: BM-1-F40-MPACK-RS1.
Vehicle fitment
- BMW 1 Series F40 M Sport 2019 onwards
- BMW 1 Series F40 M135i 2019 onwards
What you receive
- Maxton Design V2 rear corner extensions, left and right
Material and finish
Manufactured from ABS, chosen for its balance of rigidity and flexibility for everyday use. Each part is delivered with a protective film to guard the high gloss surface during transit, simply remove the film before installation to reveal the polished black finish.
Why F40 owners choose this upgrade
- Sharper rear end styling for a wider, sportier stance
- Coordinates with Maxton rear diffusers and side skirt extensions
- Refined, premium appearance that looks at home on an M Sport or M135i
- Proven on customer cars by MJ Modifications, with excellent owner feedback
Fitting and support
Professional installation is recommended to achieve the best alignment with the rear bumper. MJ Modifications offers fitting at our workshop in Warwickshire, UK. For a quote please email info@mjmodifications.co.uk. You can also refer to the official guide here: Maxton Design rear extensions fitting manual.
Popular search terms
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