Performance M
Maxton Design High Gloss Black Side Skirts, Sill Extensions & Side Splitters for BMW 3 Series F30 LCI Facelift M Sport Saloon (Sedan) 2015-2018 - Rocker Panel Side Blades / Side Lips / Lower Side Spoilers
Maxton Design High Gloss Black Side Skirts, Sill Extensions & Side Splitters for BMW 3 Series F30 LCI Facelift M Sport Saloon (Sedan) 2015-2018 - Rocker Panel Side Blades / Side Lips / Lower Side Spoilers
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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Maxton Design High Gloss Sill Extensions for BMW 3er F30 LCI M Sport Saloon 2015 to 2018
Give your F30 LCI a sharper, lower and more purposeful stance with these Maxton Design side aero blades. Finished in deep high-gloss black, these rocker panel extensions enhance the car’s side profile with a premium OEM plus look while complementing other exterior upgrades such as a front lip or rear diffuser. If you’re hunting for side blades, sill extensions, side lip trims or lower side spoilers for the 3 Series F30 LCI M Sport, this is the clean, model-specific solution.
Compatible vehicles
- BMW 3er F30 LCI Saloon with M Sport exterior pack, model years 2015, 2016, 2017, 2018
Designed for the M Sport variant of the facelift F30 saloon.
What’s in the box
- Left and right sill extensions
- Fitting hardware
- Installation guide
Why enthusiasts choose this setup
- Deep gloss finish for a premium factory-plus appearance
- Vehicle-specific design for precise alignment on the F30 LCI M Sport
- Durable construction with the flexibility Maxton Design parts are known for
- Visually lowers the car and ties in perfectly with other Maxton aero components
We’ve supplied and fitted many of these Maxton sill blades on customer F30 LCI cars and the feedback has been consistently excellent. Owners love the fit, the finish and the instant transformation to the side profile.
Installation
Supplied with a mounting kit and step-by-step guide. Professional installation is recommended for perfect alignment and secure fastening.
Fitting manual: Download here
Prefer us to install it for you? MJ Modifications offers a professional fitting service in Warwickshire. Request a quote: info@mjmodifications.co.uk
Finish and care
Supplied in high-gloss black with a protective transport film. Remove the film after fitting to reveal the flawless surface. The inherent flexibility of Maxton Design components helps them handle everyday use.
Search-friendly terms
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