BMW 5 Series G30/G31 Gloss/Piano Black Side Skirts - Sill/Rocker Panel Extensions & Side Blades/Lips, M Performance Style (2017-2025 Saloon/Touring) - CT Carbon BLAK

BMW 5 Series G30/G31 High-Gloss Sill Extensions by CT Carbon

Transform the profile of your 5 Series with these premium piano black sill extensions from the CT Carbon BLAK range. Designed specifically for the BMW G30 saloon and G31 Touring (2017 onwards), these sleek side blades deliver a sharp, M Performance–inspired look that instantly elevates road presence and complements Shadowline trims and other black styling packs.

We’ve fitted these in-house and the finish is superb. Customers love the seamless OEM+ appearance, tight panel gaps and the rich, deep gloss that ties in perfectly with factory black details. If you’re after that subtle-but-serious body styling upgrade, these rocker panel extensions are the go-to exterior mod.

Why you’ll love them

• Purpose-made for BMW 5 Series G30/G31 2017–present for confident, model-specific fitment
• Mirror-smooth piano black finish for a premium, OEM+ aesthetic
• M Performance inspired styling for a sportier, wider stance
• Perfect upgrade to pair with front splitters, rear diffusers and black styling packs
• Durable construction and designed for daily use

Fitment

Compatible with BMW 5 Series G30 (saloon) and G31 (Touring), model years 2017 onward.

Professional fitting

For installation, we recommend MJ Modifications in Warwickshire. Request a fitting quote: info@mjmodifications.co.uk.

Trusted by enthusiasts

Our team and our customers rate these highly for quality, alignment and finish. Expect a clean, factory-style look that integrates beautifully with the 5 Series body lines.

Search-friendly terms to help you find the right upgrade

BMW 5 Series G30 G31 side skirt extensions, rocker panel extensions, sill extensions, side blades, side skirt lips, body styling, exterior upgrade, piano black, high gloss black, M Performance inspired, G30 saloon, G31 Touring, 2017 2018 2019 2020 2021 2022 2023 2024 2025, BMW 5er aero kit, ground effects, black pack styling, CT Carbon BLAK range.

Add to basket today for a clean, aggressive look that completes your 5 Series.