Maxton Design Gloss/Piano Black Side Skirts Diffusers for BMW 7 Series/7er G11 LCI Facelift M Sport/M-Pack (2019+) – ABS Rocker Panel Extensions, Sill Trims, Side Splitters/Blades Kit

Gloss Black Rocker Extensions for BMW 7 Series G11 LCI M Sport 2019 onwards by Maxton Design

Transform the side profile of your BMW 7 Series G11 LCI with these premium gloss black rocker panel extensions from Maxton Design. Engineered for vehicles with the M Sport package, this sleek lower sill styling gives your saloon a lower, wider and more purposeful appearance while keeping that desirable OEM plus look. If you are upgrading exterior trim, chasing a clean piano black finish, or finishing a full styling package, these side extensions deliver instant road presence and a high quality fit.

Ideal for owners searching for BMW G11 LCI M Sport side extensions, rocker covers, sill diffusers, side blades, threshold spoilers, gloss black sill trims, and performance styling for the 7 Series saloon. A popular choice for enthusiasts who want a subtle yet impactful visual drop without compromising everyday usability.

Highlights

• Vehicle specific design for BMW 7 Series G11 LCI with M Sport package, 2019 onwards
• High gloss black finish for a premium piano black look that complements factory black pack styling
• Automotive grade ABS for strength, lightness and everyday durability
• Sharper lines and a more planted stance with discreet aero styling
• Designed and manufactured by Maxton Design for consistent fit and finish

Compatibility

BMW 7 Series G11 LCI M Sport, 2019 onwards

What you receive

• Left and right lower sill extensions
• Fitting hardware
• Installation guide

Material and finish

Constructed from ABS, a robust, lightweight thermoplastic commonly used in OEM body components. The parts arrive in a deep gloss black finish to match other piano black styling elements and M Sport trim. ABS offers slight flexibility which helps resist minor knocks and everyday road use.

Why this upgrade works

• OEM plus aesthetic that integrates with the factory M Sport side lines
• Enhances the visual drop and width without being over the top
• Pairs perfectly with front splitters, rear diffusers and black pack details
• Consistent, repeatable fitment from a trusted styling brand

Installation

Professional fitting is recommended for best alignment and secure mounting. MJ Modifications offers fitting at our Warwickshire workshop. Request a quote at info@mjmodifications.co.uk.

Fitting manual: View the Maxton Design side skirt diffuser installation guide

Protection film

Supplied with a transport protection film to avoid marks in transit. Remove after installation to reveal the flawless gloss finish.

Tried and loved by customers

We have fitted these Maxton Design rocker extensions on customer G11 LCI M Sport cars and feedback has been consistently positive. The finish is superb, the fit is tidy and the overall look is exactly what BMW 7 Series owners want from a subtle styling upgrade.

Search terms and related queries

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