Trevora Carbon Fiber PR-1 Front Splitter for G8x BMW M3 & M4

The lower front fascia of the G8X M3 and M4 is one of the most distinctive elements of these cars, and the PR-1 splitter is built to extend that presence. The three-piece modular design follows the front bumper’s design language rather than imposing something foreign on it, deepening the lower profile and adding a more aggressive stance to the front end while remaining cohesive with the factory bodywork. From head-on and at three-quarter angles, the assembly reads as a single unified element rather than three separate sections, and the integration with the surrounding bumper lines is clean enough to sit confidently alongside the G8X platform’s factory visual intent. Construction uses pre-preg carbon fiber with a 2×2 twill weave throughout all three sections. The pre-preg process controls resin distribution precisely during manufacturing, eliminating the surface inconsistencies that wet-laid carbon fiber is prone to across larger and multi-section assemblies. The result is a consistent weave and high-quality finish across every piece of the three-part set. Pre-preg construction also provides long-term resistance to weather and road conditions, maintaining the structural integrity and surface quality of the splitter across sustained use.

Carbon Fiber Construction

• Constructed using high-quality autoclave-cured pre-preg carbon fiber for superior strength-to-weight ratio. Each component is engineered and prototyped in-house using advanced CAD modeling and 3D scanning to achieve precise factory-plus fitment. A UV-resistant clear coat protects the clean weave pattern and maintains finish quality over time, ensuring long-term durability in both daily driving and high-performance environments.

Features

• Three-piece modular pre-preg carbon fiber front splitter for the G80 / G81 M3 and G82 / G83 M4
• 2×2 twill weave with consistent finish across all three sections of the assembly
• Extends the lower front bumper profile for a deeper, more aggressive front-end stance
• Improves front-end aerodynamics
• No vehicle modification required for installation
• Pre-applied 3M double-sided tape and all assembly hardware included
• Suitable for at-home installation with basic hand tools; no professional fitting required
• Backed by Trevora’s industry-leading 5-year warranty

Included in Box

• Carbon Fiber PR-1 Front Splitter
• Required mounting hardware
• Installation instructions

Applications

• BMW M3: G80, G81 | 2021-present
• BMW M4: G82, G83 | 2021-present

Frequently Asked Questions

• What BMW models is the TREVORA PR-1 front splitter compatible with? The TREVORA PR-1 Pre-preg Carbon Fiber Front Splitter is compatible with the 2021 and newer BMW M3 Sedan G80, the 2022 and newer BMW M3 Touring G81, the 2021 and newer BMW M4 Coupe G82, and the 2021 and newer BMW M4 Convertible G83. Fitment on other BMW models is not confirmed.
• Does the PR-1 splitter require any vehicle modification to install? No. The PR-1 front splitter installs using pre-applied 3M double-sided tape and the included assembly hardware with no vehicle modification required. TREVORA confirmed the installation is suitable for at-home fitting using basic hand tools, without the need for professional installation.
• What does the pre-release fitment validation mean for buyers? TREVORA completed fitment validation on multiple G8X vehicles before making the PR-1 splitter available. This means OEM-level alignment across all three sections of the assembly was confirmed in real-world conditions, not just in design software, before the product was released. For buyers, it means the fitment precision claimed in the listing has been physically verified rather than assumed from the CAD design alone.
• What is the advantage of the three-piece design over a single-piece splitter? The three-piece modular assembly allows each section to align independently to the factory bumper geometry, producing more precise fitment across the full width of the lower fascia than a single rigid panel can achieve. It also allows individual sections to be inspected, aligned, and, if needed, replaced independently rather than requiring the full assembly to be replaced if one section is damaged.
• Does the PR-1 splitter work as part of a broader TREVORA aero package for the G8X? Yes. TREVORA produces a range of aero components for the G8X M3 and M4 platform. The PR-1 front splitter shares the same pre-preg carbon fiber manufacturing standard and OEM+ design direction as other TREVORA G8X components and works as part of a complete exterior upgrade program for the platform.
• What is pre-preg carbon fiber and why does consistency across all three sections matter? Pre-preg carbon fiber is manufactured by pre-impregnating the carbon fabric with a precisely controlled resin ratio before the component is formed and cured. On a three-piece front splitter, maintaining a consistent weave alignment and surface finish across all three sections simultaneously is more demanding than on a single panel. Pre-preg construction ensures the resin distribution and surface quality are uniform across every piece, so all three sections read as a single cohesive unit once installed rather than three pieces with varying finish quality.

About Trevora

Trevora (formerly TRE) is a UK-based automotive aero and styling brand specializing in high-performance pre-preg carbon fiber components. Founded in 2018, Trevora has grown into a globally recognized name in BMW aftermarket parts, known for its OEM+ philosophy, precision engineering, and uncompromising attention to detail. Every component is designed, engineered, and prototyped in-house using advanced CAD modeling and 3D scanning to achieve precise factory-plus fitment. By utilizing autoclave-cured pre-preg carbon fiber, Trevora delivers a superior strength-to-weight ratio while eliminating inconsistencies found in traditional wet-lay carbon. All products are backed by Trevora’s industry-leading 5-year warranty.