Precision Fitment
Each part is 3D-scanned against the platform and digitally modelled before tooling — so fitment is engineered, not approximated.
£399.00
Crafted from high-quality, durable carbon fibre material, our side skirts ensure longevity and resilience against road conditions.
Straight answers on fitment, lead time and build direction — direct from the team that engineers it.
Open WhatsApp Line →Every component leaves on one standard: measured fitment, disciplined materials, and a specialist on the line before and after you order. The proof sits below — not the promise.
Each part is 3D-scanned against the platform and digitally modelled before tooling — so fitment is engineered, not approximated.
Pre-preg carbon and lightweight composite, finished to a consistent standard and built for structural intent — not cosmetic weight.
A specialist answers fitment, lead time and compatibility before you order — and stays reachable after it ships.
Refine the profile and aerodynamic flow of your BMW M4 F82/F83 with the ASM Sports Tech Carbon Fibre Side Skirts – M Performance Style. Designed for an OEM+ appearance and motorsport functionality, these side skirts complete your M4’s aggressive carbon aesthetic.
Manufactured from carbon fibre, these rocker extensions are ultra-lightweight yet exceptionally strong — delivering premium quality and precision fitment that far exceeds ABS or fiberglass alternatives. The M Performance Style design enhances aerodynamic stability while visually lowering the car’s stance.


Features & DetailsMade from high-quality carbon fibre, these side skirts offer exceptional strength and lightweight performance, ensuring durability without adding unnecessary weight to your vehicle.
This material offers superior strength and rigidity, ensuring the side skirts can withstand environmental stressed and maintain its form over time.
Crafted to improve the car’s aerodynamics, these side skirts enhance stability and performance by reducing drag, offering a more responsive driving experience.
The high-gloss, weave pattern of carbon fibre provides a sleek and sporty look, emphasizing the luxury and performance-oriented design of the BMW G22/G23/26 4 Series.
Designed specifically for the BMW F82/F83 M4, these side skirts provide a precise fit, blending seamlessly with the car’s existing contours for a factory-installed look.
These features combine to make carbon fibre a favoured material for car enthusiasts who value performance, style, and innovation.
Fitment, installation, materials, lead time and support — the answers that settle the last doubts before you order. Anything not covered, the specialist line is one tap away.
Fitment is defined by the product title, the listed application scope and your platform. If you're unsure, open the WhatsApp line and a specialist will confirm the correct application before you order.
Yes — particularly for carbon aero, exhaust components and platform-specific upgrades, where alignment, finish protection and correct hardware positioning matter to the result.
It depends on the part, but the standard is consistent: disciplined finish, clean visual consistency and resolved platform-specific presentation. Pre-preg carbon and lightweight composite where the application calls for it.
It depends on whether the part is in stock or built to order. The estimated timeline on the product page is the reference to use before checkout — and the specialist line can confirm it for your exact spec.
Yes. For fitment, visual direction, material choice or build planning, use the WhatsApp block on this page and a specialist will guide you before you place the order.
Yes — worldwide shipping is available across most ASM Sports Tech lines. Method and transit time vary by product category, destination and dispatch origin.
Order directly with ASM Sports Tech, or through an authorised partner in your region. Same components, same standard — whichever route fits the build.
Prefer a local point of contact? An authorised ASM partner in your region can handle the order end to end.
Multi-part builds and full upgrade directions are best coordinated as one order — we'll plan it with you before placement.
Order direct from ASM or through a partner — the parts, the fitment standard and the support are identical either way.
Matching components for the same platform — selected to fit alongside what you're ordering and finish the build as one resolved direction.