Elevate Your G8X’s Rear Profile Whether you're aiming to replicate BMW’s factory Motorsport style or simply want a more aggressive rear end, the G8X M3 M4 Rear Splitters are the ideal upgrade. These dry carbon fibre rear side splitters take the visual appeal of your M3 or M4 to the next level, blending form, function, and lightweight performance. Designed to follow the aggressive geometry of BMW’s MP design language, these splitters perfectly frame the rear bumper, enhancing the stance and improving airflow separation at speed. Tailored Fit for All G8X Chassis Models Crafted for the latest generation M cars, these carbon rear splitters are fully compatible with all G80, G81, G82, and G83 platforms. Because of their precision CAD-engineered shape, they contour perfectly with the factory rear bumper and mount securely without gaps or interference. For the full rear aero setup, pair with our G8X MP Style Rear Diffuser and Carbon Exhaust Tips – G8X M3/M4. Dry Carbon Fibre with Motorsport Credentials Constructed from 100% pre-preg dry carbon fibre, these MP-style splitters are significantly lighter and stronger than traditional wet carbon or fiberglass alternatives. Every piece is autoclave cured and finished in a UV-resistant clear coat for long-term durability and consistent weave appearance. Material Highlights: Dry carbon fibre (2x2 twill weave) Autoclave cured for strength and precision UV-resistant gloss or matte clear coat Lightweight yet rigid Weave-matched for left and right sides These aren’t just for show — they’re built to endure spirited driving, heat, and exposure. Aerodynamic Benefits for Road and Track While their aggressive style is instantly noticeable, these G8X M3 M4 Rear Splitters also serve a practical purpose. Positioned behind the rear wheels, they aid in managing turbulent air and promoting cleaner separation, which can enhance high-speed stability. Functional Benefits: Improved air separation at rear corners Visual extension of the lower bumper Subtle downforce and drag efficiency gains Complements full rear diffuser setups Sharpens rear stance without overcomplicating the design Because of their MP styling inspiration, they match seamlessly with OEM and aftermarket carbon upgrades. Simple and Secure Installation Installation requires no permanent modification to your vehicle. The splitters come pre-drilled and include optional double-sided tape channels for additional mounting security. Installation Notes: Clean contact surfaces thoroughly Align splitters with factory bumper lines Use provided hardware and/or 3M VHB tape Torque to light pressure for carbon safety Allow adhesive to cure for 24 hours (if used) Installation can be completed in under 1 hour with basic tools and mechanical familiarity. Complete the MP Look To create a cohesive OEM+ carbon aero package for your G8X build, consider bundling with: G8X MP Style Front Lip – Carbon Fibre G8X Side Skirt Extensions – Dry Carbon M Performance Style Carbon Rear Diffuser This set of carbon enhancements will help your M car stand out while retaining factory refinement.
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