3DDesign (3D Design) Carbon Fibre (Carbon Fiber) Rear Diffuser/Valance for BMW X3 G01 M Sport 2018-2021 | Pre-LCI Pre-Facelift Rear Bumper Insert, Lower Undertray, Splitter Fins | OEM+ Performance Aero Upgrade | SUV Tuning | Body Kit

Premium carbon upgrade for X3 G01 pre-facelift M Sport

Elevate the rear of your X3 G01 with this genuine 3DDesign carbon piece. Engineered for the pre-facelift M Sport rear bumper, it delivers a sharper, motorsport-inspired look with a precise, OEM-plus fit that transforms the stance without compromise. Expect a deep, sculpted rear valance style with defined fins and an aggressive lower bumper profile that complements factory exhaust surrounds.

If you are searching for an X3 G01 rear valance, carbon rear undertray, M Sport rear bumper insert, rear splitter fins, carbon lower bumper diffuser, or performance rear aero for the 2018 to 2021 X3, this is the premium solution from 3DDesign. Ideal for those building a subtle body kit, OEM-plus styling package or high-end SUV tuning setup.

Why choose this carbon upgrade

• Authentic 3DDesign quality with premium carbon construction and crisp weave
• Designed specifically for the G01 chassis pre-facelift M Sport rear bumper
• Aggressive, aerodynamics-inspired look that enhances the rear profile
• Clean, OEM-like fit for a factory-fresh appearance
• Perfect match for other carbon styling such as lips, side skirts and spoilers

We have fitted this part on customer cars and the feedback has been outstanding for fitment, finish and the transformation it gives. It delivers that desirable performance SUV aesthetic while keeping a refined, factory-quality vibe.

Compatibility

• BMW X3 G01 pre-facelift 2018, 2019, 2020, 2021
• M Sport rear bumper models only

Note: M Sport variants only. Not suitable for non-M Sport or facelift models.

What’s in the box

• 1 x 3DDesign carbon rear valance diffuser

Fitting and support

Professional installation recommended. For fitting, choose MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Search-friendly terms

BMW X3 G01 carbon rear valance, pre-facelift X3 M Sport diffuser, G01 rear bumper insert, carbon rear undertray for X3, performance rear aero, rear splitter fins, exhaust surround trim, SUV tuning parts UK, OEM-plus body kit upgrade.