BMW M3/M4 F8X Carbon Fibre Rear Diffuser PSM Style – Rear Valance/Rear Bumper Lip Splitter Insert

F8X M3 M4 Genuine Carbon Rear Valance Diffuser - PSM Style - UK Stock

Elevate the rear profile of your BMW with a genuine carbon fibre lower diffuser insert that adds serious road presence and a premium finish. This PSM style rear valance delivers a bold, motorsport-inspired look for F80 M3, F82 M4 and F83 M4 models, with a deep gloss carbon finish that looks OEM plus.

• Genuine carbon fibre construction for lightweight rigidity and a high-end appearance
• PSM style design for a sharper, wider stance and a more aggressive rear end
• Direct fit for the factory bumper on F80 M3 saloon, F82 M4 coupe and F83 M4 convertible
• Can be wired to activate with the brake lights for added visibility
• UK stock for rapid dispatch and quick delivery
• Tested and fitted by MJ Modifications with excellent customer feedback

Expect a cleaner, more purposeful finish around the exhaust area. The quality carbon fibre and gloss clear coat uplift the look of the bumper, giving your F8X that unmistakable performance vibe without compromising fit or finish.

Compatibility

• BMW M3 F80 - saloon
• BMW M4 F82 - coupe
• BMW M4 F83 - convertible

Why choose MJ Modifications

• Genuine carbon fibre product, quality checked before dispatch
• In stock in the UK for fast shipping
• We have installed this diffuser in-house and the fit and finish have been praised by our customers
• Enthusiast support from a specialist BMW performance parts team
• Secure packaging for safe delivery

Fitting

Professional installation is recommended, especially if you plan to wire the unit to the brake lights. We offer fitting at MJ Modifications in Warwickshire. Request a quote via info@mjmodifications.co.uk.

Search terms

F8X rear valance diffuser, F80 saloon carbon rear insert, F82 coupe carbon rear splitter, F83 convertible carbon rear diffuser insert, PSM style rear valance BMW, gloss carbon rear bumper diffuser, BMW M3 M4 carbon styling UK, performance rear aero upgrade, aftermarket carbon rear trim for BMW, M car rear diffuser insert, F80 F82 F83 carbon rear kit, UK supplier carbon fibre BMW parts, track inspired rear aero, quad exhaust surround diffuser look, BMW body kit upgrade rear, carbon fibre rear lower bumper piece.