BMW X3 F25 LCI Facelift M Sport (M Pack) 2014-2017 Maxton Design Gloss/Piano Black Side Skirt Extensions, Splitters & Diffusers – Side Blades, Rocker Panel/Sill Extensions (Pair)

BMW X3 F25 LCI M Sport Side Skirt Extensions in Piano Gloss Black by Maxton Design

Give your BMW X3 a sharper, lower, more purposeful stance with these premium side skirt add-ons. Designed specifically for the X3 F25 LCI with the M Package, these sleek gloss black rocker panel blades enhance the side profile and tie in perfectly with factory M styling for a refined, factory-plus finish.

Why owners choose this upgrade

• Transforms the visual width and side silhouette for a sportier, road‑hugging look
• Complements M bumpers and sills to complete your exterior styling kit
• Strong, lightweight ABS construction that handles daily driving with ease
• High shine piano black finish that pairs with other Maxton exterior parts

What’s included

• Left and right side skirt extensions / side blades (pair)
• Mounting kit
• Fitting manual

Fitment

Made for BMW X3 F25 LCI 2014, 2015, 2016, 2017 with M Sport / M Package side trim. Not suitable for non M variants or pre‑facelift models.

Construction and finish

Durable ABS plastic known for impact resistance and flexibility, supplied in a deep gloss black finish for a clean, modern appearance that matches OEM M details.

Trusted by enthusiasts

We have fitted these on customer X3 builds and our own projects. Feedback has been consistently positive on fit, finish and the premium look once installed.

Installation and support

Professional fitting recommended. MJ Modifications in Warwickshire can install these for you. Request a fitting quote: info@mjmodifications.co.uk.

Fitting manual: Maxton Design side skirt fitting guide

Good to know

• Supplied with a protective film to prevent marks in transit. Remove after test fitting to reveal the pristine gloss surface.
• Use the included hardware and follow the guide for correct installation.

Search-friendly overview

BMW X3 F25 LCI M Sport side skirt extensions in gloss black. Maxton Design side blades for X3 2014 2015 2016 2017 facelift. Rocker panel extensions, sill extensions, aero side splitters and body kit styling for BMW X3 F25 M Package. High gloss ABS add-ons that upgrade stance, side profile and exterior styling. Ideal upgrade for UK BMW X3 enthusiasts looking for gloss black side skirt add-ons to complement front lip, rear diffuser and other OEM plus modifications.