Trevora Pre Facelift Carbon Front Splitter for F9x BMW X3 M & X4 M

The lower front fascia of the F97 X3 M and F98 X4 M is a visible and aerodynamically significant area of both platforms, and the factory lower bumper lip leaves room for a more purposeful and aerodynamically defined treatment. The TREVORA carbon front splitter addresses this by extending the lower lip with a carbon fiber component engineered specifically to the Pre-LCI front bumper geometry of both the X3 M and X4 M, improving the aerodynamic profile of the front end and sharpening the lower front visual profile in a way that works with the factory bumper lines. The splitter contributes to front-end aerodynamic performance by increasing the depth of the lower front profile, which generates a more effective pressure differential beneath the front of the vehicle and contributes to improved front-end stability at speed. On a performance SUV platform where the ride height and frontal area are greater than a conventional sports car, a well-designed front splitter makes a meaningful aerodynamic contribution alongside the visual upgrade.

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

• Premium carbon fiber construction with high-gloss finish; lightweight, rigid, superior strength-to-weight ratio versus OEM thermoplastic
• Extends the lower front bumper lip for improved front-end aerodynamic profile and visual definition
• Factory mounting location fitment; no cutting or permanent modification required
• Backed by Trevora’s industry-leading 5-year warranty

Included in Box

• Carbon Front Splitter
• Required mounting hardware
• Installation instructions

Applications

• BMW X3 M: F97 | 2019-2021
• BMW X4 M: F98 | 2019-2021

Notes

• Only compatible with pre facelift models

Frequently Asked Questions

• What vehicles is the TREVORA carbon front splitter compatible with? The TREVORA Carbon Front Splitter is designed for the 2019 to 2021 BMW X3 M F97 in Pre-LCI specification and the 2019 to 2021 BMW X4 M F98 in Pre-LCI specification. It is not compatible with LCI or post-2021 F97 or F98 models where the front bumper configuration was updated.
• Why is this splitter not compatible with LCI models? The F97 X3 M and F98 X4 M both received a Life Cycle Impulse update after 2021 that changed the front bumper design and geometry. The TREVORA splitter is precision-engineered to the Pre-LCI front bumper lip and mounting structure of both platforms; the dimensional differences introduced by the LCI update mean the splitter will not integrate correctly with LCI-specification bumpers. Buyers should confirm their vehicle’s production date before ordering.
• Does the splitter work on both the F97 X3 M and F98 X4 M? Yes. The splitter is engineered for the shared Pre-LCI front bumper geometry of both the F97 X3 M and F98 X4 M, making it compatible across both platforms in a single product. Both vehicles share the same lower front bumper architecture in Pre-LCI specification, which the splitter is tailored to fit.
• Does installation require cutting or permanent modification? No. The splitter attaches using factory mounting locations with no cutting or permanent modification to the front bumper required. The specific hardware or clip requirements for the installation should be confirmed with Bulletproof Automotive before fitting, as the source material confirms factory mounting locations are used but does not detail the mounting hardware.
• How does the front splitter improve aerodynamic performance on the F97 X3 M and F98 X4 M? Extending the lower front lip increases the depth of the lower front profile, generating a more effective pressure differential between the air passing over and under the front of the vehicle. This contributes to improved front-end stability at speed by increasing the downforce effect at the leading edge. On the F97 X3 M and F98 X4 M, where the frontal area and ride height are greater than on a conventional sports car, the aerodynamic contribution of a front splitter extension is proportionally relevant to the platform’s size and performance characteristics.
• Does this splitter work alongside the TREVORA F97 X3 M body kit? The TREVORA carbon front splitter is available as a standalone component for owners of either the F97 X3 M or F98 X4 M who want to upgrade the lower front bumper independently. The TREVORA F97 X3 M body kit includes a front splitter as part of its three-component package and is specific to the F97 X3 M. The standalone splitter here covers both the F97 and F98 platforms. Contact Bulletproof Automotive for guidance on building a complete exterior package for either vehicle.

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.