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BMW X3M / X4M F97 F98 Carbon Fiber Side Skirt Extensions (2018–2024, LCI & Pre-LCI) | UNIT 17 Exclusive

Fits BMW F97/F98 X3M/X4M (LCI) (2022–2024), BMW F97/F98 X3M/X4M (Pre-LCI) (2019–2021)

Text 609-525-4865

$1,199.00

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6 in stock

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Usually ships within 5 business days

Shipping to the US: $129.00 Details

BMW X3M / X4M Carbon Fiber Side Skirt Extensions (2018-2024 PRE LCI & LCI) – UNIT 17 Exclusive

Package Includes:

  • 1 Set of Carbon Fiber Side Skirt Extensions

  • Custom-Designed Fitment for BMW X3M / X4M (2018-2024 including LCI models)

  • Exclusive UNIT 17 Design

Vehicle Fitment:

  • BMW X3M 2018-2024 (Pre-LCI & LCI)

  • BMW X4M 2018-2024 (Pre-LCI & LCI)

Product Description:
Upgrade your BMW X3M or X4M with our exclusive UNIT 17 Carbon Fiber Side Skirt Extensions, designed in-house using precise 3D scanning technology. This bespoke design ensures an exceptional fit with OEM-like precision, providing both style and performance.

Crafted from high-quality real carbon fiber, these side skirts are lightweight, durable, and UV-resistant. The design levels seamlessly from the rear forward and intentionally stops just before the factory underglow floor light—preserving factory functionality without obstruction.

These side skirts are not mass-produced—they are exclusive to UNIT 17 and not available anywhere else. Developed, tested, and perfected in our New Jersey facility, they are built to meet the highest standards of fitment and finish.

Key Features:

  • Precision 3D-scanned fitment

  • Real carbon fiber construction

  • Seamless OEM-style design

  • Retains underglow light functionality

  • Exclusive UNIT 17 product

  • Made for BMW X3M / X4M 2018-2024 LCI and PRE LCI

  • BMW F97/F98 X3M/X4M (LCI) 2022
  • BMW F97/F98 X3M/X4M (LCI) 2023
  • BMW F97/F98 X3M/X4M (LCI) 2024
  • BMW F97/F98 X3M/X4M (Pre-LCI) 2019
  • BMW F97/F98 X3M/X4M (Pre-LCI) 2020
  • BMW F97/F98 X3M/X4M (Pre-LCI) 2021

Fitment guarantee — If a part doesn’t fit the vehicle listed on its product page, contact us before installing and we’ll cover the return shipping for a refund or replacement.

Complete your BMW

More side skirts for BMW

Why Unit17

Carbon parts from people who drive them

LOCATION: NJ, USA

Founded in 2014, Unit 17 is the brand created by car enthusiasts who specialize in aftermarket carbon fiber for sports cars, luxury vehicles and performance vehicles.

Our company aims to provide the highest quality pre-preg carbon fiber styling parts.  Being able to relate to fellow enthusiasts who share our passion for motoring is the key to Unit 17’s success.

Taking pride in our quality, service, and product fit is one of our top priorities.

Ask about fitment

Tell us what you drive and we’ll confirm this part fits before you order — usually within a few hours.

Year, make, model and any existing mods — e.g. 2022 BMW G80 M3, M Performance lip

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