Maxton Design Gloss Black Side Skirt Diffusers/Extensions for BMW 5 Series F10 F11 M Sport & M5 (2011-2017)

High-Gloss Sill Extensions by Maxton Design for BMW 5 Series F10/F11 M Sport and F10 M5

Give your 5 Series a sharper, more purposeful side profile with these premium Maxton Design rocker extensions in a deep piano black finish. Precision-made for the M Aerodynamic sills on BMW F10 saloon and F11 touring models, plus the F10 M5, they add instant road presence while keeping a refined, factory-plus look that our customers love.

Compatibility

• BMW 5 Series F10 Saloon with M Sport package (2011–2017)
• BMW 5 Series F11 Touring with M Sport package (2011–2017)
• BMW M5 F10 (2011–2017)

What you receive

• 1 x pair of left and right rocker panel extensions in high-gloss black
• Fitting hardware
• Installation instructions

Why enthusiasts choose these

• Transforms the side silhouette with a lower, sport-driven vibe while complementing M Sport sill contours
• Automotive-grade ABS for toughness and flexibility where it matters
• Designed specifically for F10/F11 M Sport and F10 M5 for a tidy, consistent fit
• Pairs perfectly with front lips and rear valances to complete your aero package

Finish and care

Manufactured from durable ABS and finished in a deep, high-gloss black for that premium, paint-like shine. Supplied with a protective film to prevent marks in transit. Test-fit first, then remove the film to reveal a flawless surface.

Installation

For best results we recommend professional fitting. Book expert installation with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.

Fitting guide: Download the Maxton Design instructions

Trusted quality

We supply genuine Maxton Design parts only. These side sill blades are a popular upgrade on customer cars and our own builds, delivering the clean, premium look BMW owners expect.

Search terms customers use

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