BMW 3 Series G20 Saloon Carbon Fibre (Carbon Fiber) Rear Diffuser Quad Exit Quad Tip (Dual Twin) Gloss Carbon Rear Valance/Skirt/Apron/Splitter Bumper Insert OEM+ Styling 2018-2022 CT Design

Transform the rear end of your BMW G20 saloon with a premium carbon rear valance engineered for quad tailpipes. This performance rear bumper insert delivers a motorsport-inspired look with deep fins and a sharp profile, giving your 3 Series a purposeful, OEM Plus finish that stands out on the road and at shows.

Crafted from real carbon fibre, this rear lower spoiler offers a lightweight yet rigid construction with a quality gloss finish that showcases the weave. The aggressive quad exhaust cut-outs are designed specifically for twin twin tailpipe setups, bringing serious presence and enhancing the airflow styling of the back bumper.

• Genuine carbon construction for a premium look and feel
• Quad exit design for dual twin tailpipes
• CT styling for a bold, performance-focused appearance
• OEM Plus upgrade that complements factory body lines
• Great fitment from our in-house experience and happy customer feedback

Compatibility

• BMW 3 Series G20 saloon, 2018 to 2022
• For quad tailpipe setups only
• Not suitable for 340i

Why enthusiasts choose this upgrade

If you are searching for a rear diffuser, rear skirt, rear apron, rear splitter or back bumper lip for your BMW G20, this carbon upgrade ticks every box. It adds instant road presence, pairs perfectly with performance exhaust conversions, and delivers that high-end carbon aesthetic enthusiasts want. We have installed this part on customer cars and in our own builds and the fit and finish have impressed every time.

Fitting and support

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

Notes

• Check your rear bumper and exhaust layout before ordering to confirm quad exit compatibility
• Test fit prior to final installation

Ideal search terms: BMW G20 rear valance carbon, BMW 3 Series rear diffuser quad exhaust, G20 quad exit rear bumper insert, carbon rear skirt BMW 3er, performance rear lower spoiler G20, gloss carbon rear apron.