Performance M
Maxton Design V2 Gloss Black Side Skirts Diffusers for BMW M3 G80 (2021+) Side Splitter Extensions
Maxton Design V2 Gloss Black Side Skirts Diffusers for BMW M3 G80 (2021+) Side Splitter Extensions
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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Version 2 Side Sill Extensions in High Gloss Black for BMW M3 G80
Give your G80 M3 a lower, wider and more purposeful look with these Version 2 rocker panel blades finished in deep gloss black. Designed for the 2021 onward BMW M3 saloon, this premium lower body upgrade integrates cleanly with the factory lines and instantly sharpens the profile along the sills for that motorsport-inspired ground effect look.
Vehicle compatibility: BMW M3 G80 2021 onward
Why this upgrade stands out
- Sleek high gloss black that ties in with OE shadow details and black pack trims
- Vehicle-specific profile for precise fit along the M3 rocker panels
- Enhances stance and side presence with a subtle yet assertive aero-style edge
- Supplied with fixings and a fitting guide for a secure installation
- Trusted styling from Maxton’s Version 2 range, a favourite with M owners
We have fitted these on customer G80 builds at MJ Modifications and the feedback on the fit, finish and overall transformation has been excellent. If you are looking for G80 side sill blades, rocker extensions, lower side splitters, skirt lips or aero side trims for the BMW M3, this is the upgrade that delivers the OEM plus look enthusiasts want.
What you receive
- Pair of side sill extensions
- Mounting hardware
- Installation manual
Material and finish
Manufactured from ABS plastic for exterior durability and finished in a high gloss black surface. The material offers the ideal balance of rigidity and resilience for daily use on a performance road car.
Installation
Professional fitting is recommended for best alignment and retention. MJ Modifications in Warwickshire offers in-house installation. Request a fitting quote via info@mjmodifications.co.uk.
Fitting manual: View the Maxton side skirts diffusers guide
Protective film
Supplied with a thin protective wrap to safeguard the finish during transit. Peel away before final installation to reveal the high gloss surface.
Search-friendly terms
G80 M3 rocker extensions, BMW M3 G80 sill extensions, M3 Competition xDrive side trims, G80 sedan lower body kit, M3 side aero blades, BMW M3 2021 2022 2023 2024 2025 side skirt add ons, Maxton V2 styling for M3, gloss black side lips, G80 ground effects kit, BMW M3 saloon exterior styling, tuner side skirts for G80, M3 sill blades, G80 side apron splitters, BMW M3 G80 body styling package.
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