Genuine AC Schnitzer Side Skirts / Sill Extensions for BMW 5 Series G30 G31 & F90 M5 (M Sport) – Matt Black Paintable PU-RIM Pair – Side Blades / Side Splitters Rocker Panel Trims – Saloon & Touring – Fits 518d 520d 530e 530i 540i M550i – P/N 5171330310

AC Schnitzer sill extensions for BMW 5 Series G30 G31 and F90 M5

Sharpen the side profile of your 5 Series with AC Schnitzer side skirt extensions. Precision moulded for M Sport models, this left and right pair delivers a clean OEM-plus finish that lengthens the car visually, reduces the perceived ride height and ties in perfectly with other ACS aero parts. Supplied in a smooth matt black PU-RIM that can be installed as is or painted to match your body colour for a seamless factory look.

• Original AC Schnitzer body styling for G30 G31 5 Series and F90 M5 M Sport
• PU-RIM construction for durability, consistent panel gaps and excellent fitment
• Matt black out of the box with a paint-ready surface if you want a colour coded finish
• Complements AC Schnitzer front and rear components to complete a full aero package
• Proven in our workshop installs – customers consistently praise the fit, finish and premium appearance

Compatibility

For M Sport variants only. Saloon and Touring.

• BMW 5 Series G30 G31: 518d, 520d, 520e, 520i, 525d, 530d, 530e, 530i, 540d, 540i, M550d, M550i including xDrive models
• BMW M5 F90

Part number

P/N 5171330310

Finish and material

• Matt black PU-RIM
• Paintable surface to match body colour or create contrast

Fitting and support

Professional installation recommended for perfect alignment and a factory-quality result. MJ Modifications in Warwickshire offers fitting. Request a quote at info@mjmodifications.co.uk.

Manufacturer and warranty

Manufactured by AC Schnitzer. In principle, AC Schnitzer products sold in the UK carry a two-year manufacturer warranty, or until the end of the three-year BMW warranty period, whichever is longer.

Why enthusiasts choose this upgrade

These side skirt extensions are a simple way to transform the stance of your G30 G31 or F90. The ACS design follows the factory sills closely for a refined, premium look without being over the top. The result is a lower, longer visual line along the doors that pairs brilliantly with M Sport bumpers. We have fitted these numerous times and the feedback is always the same – outstanding fit, quality materials and an OEM-level finish that elevates the whole car.

Also searched as

BMW 5 Series side skirt extensions, G30 sill extensions, G31 Touring side blades, F90 M5 side blades, ACS side skirts, BMW 5 Series side aprons, BMW 5 Series rocker panel covers, BMW M Sport side panels, G30 side splitters, G31 sill trims, F90 M5 sill kit, BMW 530e side styling, BMW 530d side extensions, BMW 540i side skirts, M550i side trims, BMW 5 Series body styling kit, AC Schnitzer aero side panels, BMW 5er G30 G31 Seitenschweller, M Sport side skirt kit, BMW 5 Series lower side spoilers.

Tip: Pair these with AC Schnitzer front splitter and rear diffuser for a balanced, cohesive look across the whole car.