AC Schnitzer Side Skirt Extensions for BMW 5 Series M5 F90 (2017–2023) – Sill/Rocker Panel Side Blades, OEM+ Body Kit Add-Ons, PU-RIM Polyurethane, Matte Black Paintable Pair

Sill extensions for BMW M5 F90 – premium German aero styling

Give your F90 M5 a sharper, lower and more purposeful side profile with these precision rocker panel extensions. Crafted by a leading German aero specialist, this pair of side blades delivers an OEM plus look, enhances the visual stance and ties your whole bodykit together for a cohesive, motorsport-inspired finish.

Manufactured from high quality PU-RIM polyurethane, they are impact resistant, lightweight and engineered for a precise fit on the F90 chassis. Supplied in matt black and paint-ready, you can install as-is for a stealth look or colour-code to match your saloon’s bodywork.

Why enthusiasts choose this upgrade

• Exact-fit sill extensions for BMW M5 F90
• PU-RIM polyurethane construction for durability and OEM-style flexibility
• Supplied matt black and ready to paint
• Complements matching front lip and rear aero for a balanced side profile
• Refined, factory-style styling that suits daily road use and show builds

We have installed these in-house at MJ Modifications and the feedback has been consistently excellent. Fitment is spot on, the finish is superb and customers love the OEM plus aesthetic without compromising practicality.

Search-friendly fitment and features

BMW M5 F90 side blades, rocker panel extensions, sill trims, side skirt extensions, body kit add-ons, PU RIM polyurethane, paintable matte black finish, German aero tuning, OEM style fitment, performance styling for BMW saloon.

Installation

• Installation guide included in English and German
• Approx 10 AW recommended, plus curing or standing time
• Professional fitting advised for the best alignment and finish

Want a hassle-free install and perfect panel gaps? Book your fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

What’s included

• Left and right sill extension set for F90 M5
• Documentation in English and German

Complete your aero package by pairing these side blades with the matching front lip and rear aero components for a cohesive, aggressive road presence.