Performance M
Maxton Design V2 High Gloss Piano Black Side Skirt Extensions Rocker Panels Sill Blades for BMW M4 G82 2021+ Coupe – ABS Aero Side Splitter Diffuser Kit (Pair)
Maxton Design V2 High Gloss Piano Black Side Skirt Extensions Rocker Panels Sill Blades for BMW M4 G82 2021+ Coupe – ABS Aero Side Splitter Diffuser Kit (Pair)
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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Maxton Design V2 High Gloss Rocker Extensions for BMW M4 G82 2021 onwards
Give your G82 M4 a sharper, lower and more purposeful appearance with Maxton Design V2 high-gloss rocker extensions. These vehicle-specific sill blades are engineered for the BMW M4 G82 to enhance the side profile with clean OEM+ styling, while following the factory body lines for a seamless look. Manufactured from robust automotive ABS, they are lightweight, tough and ideal for daily road use.
Key reasons to choose this V2 side upgrade
- Designed exclusively for BMW M4 G82 2021 onwards for a precise, model-specific fit
- High-shine piano black finish that elevates the exterior with a premium, factory-plus aesthetic
- Durable ABS construction for strength and flexibility during everyday driving
- Instantly improves stance and visual ground effects with aero-inspired styling
- Supplied as a matched left and right pair with fixings and a clear installation guide
- Genuine Maxton Design product trusted across the performance styling community
We have fitted these V2 sill extensions to customer G82 builds in our own workshop and the feedback has been consistently excellent. Fitment is on point, the gloss finish is deep and the transformation to the M4’s side profile is immediate. If you want a clean, aggressive look without compromising everyday usability, this kit delivers.
Compatibility
BMW M4 G82 coupe 2021 onwards only.
What you receive
- Rocker extensions left and right
- Fitting hardware
- Installation manual
Material and finish
- Material: Automotive ABS
- Finish: High-gloss black
Professional fitting available
For best results we recommend expert installation to ensure perfect alignment and secure mounting. Book fitting with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.
View the Maxton Design fitting manual: Side Skirts Diffusers Fitting Manual
Good to know
Maxton Design ABS components are designed to handle day-to-day driving and light impacts. Parts are supplied with a protective film to guard the surface in transit. Remove the film prior to installation to reveal the pristine gloss finish.
Popular search terms
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