BMW 5 Series G30/G31 Side Skirts Gloss/Piano Black – M Performance Style OEM+ – Side Skirt Extensions / Sill Extensions / Rocker Panel Aero Side Splitters – Saloon & Touring 2017+ – Shadowline – CT Carbon BLAK

Transform the profile of your BMW 5 Series G30 and G31 with high‑shine piano black sill extensions

Give your 5 Series a sharper, lower and more purposeful look with these premium piano black side skirt extensions from the CT Carbon BLAK range. Designed for vehicle‑specific fitment on BMW G30 saloon and G31 touring models, they add a sleek OEM+ aesthetic that pairs perfectly with Shadowline trim and M Performance styling cues, elevating road presence without looking out of place.

The deep gloss finish enhances the side profile, visually lowering the car and tying together front and rear aero for a cohesive body styling upgrade. Popular with BMW enthusiasts across the UK, these rocker panel blades deliver instant curb appeal and a high‑end look that suits both daily drivers and show cars.

Why enthusiasts choose this upgrade

• Vehicle‑specific design for BMW 5 Series G30 and G31 for a snug, tailored appearance
• High‑gloss, piano black finish that complements factory black pack and Shadowline details
• OEM+ styling that mirrors M Performance side extensions for a more dynamic stance
• Durable construction built for everyday road use and year‑round weather
• Instant visual impact that completes front splitter and rear diffuser upgrades

Compatibility

• BMW 5 Series G30 saloon, 2017 onwards, including facelift models
• BMW 5 Series G31 touring, 2017 onwards, including facelift models
• Range: CT Carbon BLAK

What to expect

A sleek set of side skirt extensions finished in a rich, high‑shine black. Designed to enhance the silhouette of your 5 Series, these sill extensions integrate cleanly with the factory lines for a premium, factory‑plus look. Feedback from MJ Modifications customers has been consistently positive, praising the fit, finish and the way these skirts complete a full aero kit.

Installation

Professional fitting recommended. MJ Modifications offers installation at our Warwickshire workshop. To request a fitting quote or book an appointment, email info@mjmodifications.co.uk.

Care

Maintain the high‑gloss finish with pH‑neutral shampoo and a soft microfibre. Avoid abrasive pads and harsh chemicals to keep the surface looking its best.

Search terms our customers use

BMW G30 side skirt extension, BMW G31 side skirt extension, BMW 5 Series sill extensions, rocker panel blades, aero side splitters, piano black body styling, Shadowline side extensions, M Performance look skirts, OEM+ gloss black skirts, BMW 5 Series 2017 2018 2019 2020 2021 2022 2023 side skirts, CT Carbon BLAK range.