3D Design Carbon Fibre Rear Diffuser for BMW X4 M F98 (2019+) – Rear Valance / Bumper Diffuser Insert, Aero Rear Splitter & Quad Exhaust Surround – Fits X4 M & X4 M Competition – OEM+ M Performance Style Carbon Fiber Lower Trim

Transform the rear of your BMW X4 M with a premium carbon fibre aero upgrade built specifically for the F98 platform. This rear valance diffuser delivers an aggressive, motorsport-inspired finish while complementing the factory lines of the X4 M and X4 M Competition. Precision-designed for 2019 onwards models, it offers a true OEM-plus look and a high quality carbon fibre construction that elevates both style and presence.

Our team has installed this upgrade for customers and the feedback has been fantastic. Fitment is spot on, the weave looks superb, and the finished result gives the coupe-SUV a sharper, more purposeful stance. If you are building a performance-focused road car or refining an OEM-style build, this is the carbon rear bumper insert that completes the back end of the F98.

Why enthusiasts choose this carbon rear valance

• Designed for the F98 X4 M chassis for accurate, model-specific fitment
• High quality carbon fibre construction for a premium look and lightweight performance styling
• Enhances rear-end aggression and helps manage airflow under the bumper
• Pairs perfectly with other exterior upgrades and M Performance style accents
• Supplied with installation hardware for a straightforward, professional finish

If you are looking for a BMW X4 M rear diffuser, X4 M Competition carbon diffuser, F98 rear bumper diffuser, carbon rear valance, aero diffuser, quad exhaust surround, M Performance style rear trim or BMW F98 carbon body kit enhancement, this is the high quality solution enthusiasts search for.

What’s in the box

• 1 x Carbon fibre rear diffuser by 3D Design
• 1 x Installation hardware

Vehicle compatibility

• BMW X4 M F98 - 2019 onwards
• Including X4 M Competition variants

Installation and fitting

Professional fitting recommended. For expert installation, contact MJ Modifications in Warwickshire for a quote: info@mjmodifications.co.uk. Our workshop regularly installs premium carbon upgrades on BMW M models and can provide guidance on achieving the best finish.

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