BMW 1 Series F20 F21 LCI Facelift 2015-2020 Gloss Piano Black Side Skirts - CT Carbon Sill Extensions / Rocker Panel Side Splitters / Side Blades for 1er Hatchback - Shadowline Style

Piano Black Sill Extensions for BMW 1 Series F20 F21 LCI 2015 to 2020

Transform the side profile of your BMW 1er hatchback with these CT Carbon piano-gloss sill extensions. Manufactured from premium ABS for a robust yet lightweight upgrade, they deliver a clean OEM plus look with a deep, mirror-black finish that perfectly complements Shadowline trims and gives a lower, more aggressive stance.

We have fitted these on customer cars and on our own builds, and the feedback has been consistently excellent. Fit and finish are superb, the gloss is ultra-deep, and the upgrade instantly sharpens the styling without looking out of place. No paint required thanks to the high-gloss black surface.

Key benefits

• Vehicle-specific design for BMW 1 Series F20 F21 facelift models 2015 to 2020
• Premium ABS construction with a durable piano-gloss black finish
• Sportier, lower visual effect and enhanced side profile
• OEM plus styling that pairs with factory trims and aero
• Clean, modern look that suits daily drivers and show cars alike

Fitment

• BMW 1 Series F20 5-door LCI 2015 to 2020
• BMW 1 Series F21 3-door LCI 2015 to 2020

Brand: CT Carbon

Installation

Professional fitting recommended for the best alignment and finish. MJ Modifications offer full installation services at our Warwickshire workshop. Request a fitting quote: info@mjmodifications.co.uk

Why enthusiasts choose this upgrade

These rocker panel extensions deliver instant visual impact, pairing perfectly with front lips, rear diffusers and performance wheels. The glossy black surface matches contemporary styling trends and adds premium presence without the cost of full bodywork. It is a high-value, high-impact upgrade that looks factory fresh and elevates your BMW’s side profile.

Compatible search terms: BMW F20 F21 facelift sill extensions, 1 Series LCI side splitters, piano black rocker covers, high gloss side blades, 2015 2016 2017 2018 2019 2020 1er body kit, BMW hatchback aero styling, gloss black sill trims, rocker extensions for BMW 1 Series.