Performance M
Maxton Design Gloss Black Side Skirts for BMW X5M (X5 M) F85 2014-2018 | Side Skirt Extensions Splitters Sill Extensions Side Blades Rocker Panel Diffusers | Pair
Maxton Design Gloss Black Side Skirts for BMW X5M (X5 M) F85 2014-2018 | Side Skirt Extensions Splitters Sill Extensions Side Blades Rocker Panel Diffusers | Pair
Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.
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Gloss Black Sill Extensions for BMW F85 X5M 2014 to 2018 by Maxton Design
Give your BMW F85 X5M a sharper side profile with these high gloss black sill extensions from Maxton Design. Precise fit for the F85 generation, these sleek side blades enhance the muscular stance of your performance SUV, tidy airflow along the sills and complete the look alongside front and rear aero. The deep, mirror-like finish and clean edges deliver a premium, factory plus appearance that X5M owners love.
Vehicle compatibility
Suitable for BMW X5M F85 only. Model years 2014, 2015, 2016, 2017, 2018.
Why F85 owners choose this upgrade
- Transforms the side view with a wider, lower visual stance that suits the X5M’s performance character
- High gloss black finish that pairs perfectly with carbon, black pack and shadow line styling
- Aero side trims designed to manage airflow along the sills and complement other exterior upgrades
- Quality ABS construction for durability and impact resistance in daily road use
- Consistent fit and finish, supplied as a matched left and right set
- Includes fixings and step by step instructions for a straightforward installation
What is included
- Left and right sill extensions for BMW F85 X5M
- Fitting hardware
- Installation manual
Download the installation guide
Material and finish
Manufactured from ABS, a robust automotive-grade plastic known for flexibility and impact resistance. Each component arrives with a protective film to safeguard the high gloss surface during test fit. Remove the film after trial fitting to reveal the pristine finish.
Professional fitting
For best results, we recommend expert installation. MJ Modifications offers fitting at our Warwickshire workshop. Request a quote at info@mjmodifications.co.uk.
Tried and trusted
We have installed these Maxton Design sill extensions on customer F85 X5M builds and feedback has been consistently positive. Fitment accuracy, the deep gloss finish and the instant visual impact make this one of the most popular side styling upgrades for the F85 platform.
Search-friendly terms
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