BMW 3 Series G20 Carbon Fibre/Fiber Rear Diffuser Valance - Square Tip Tailpipe - 2019-2021 340i 340d Saloon/Sedan Rear Lower Bumper Trim Splitter Apron Insert OEM+ Gloss Exhaust Surround

Give your 3 Series saloon a serious rear-end upgrade with this CT Carbon rear valance for the G20 340i and 340d. Crafted from real carbon fibre and finished in a deep, high-gloss clear coat, it adds a premium, motorsport-inspired look with the square-tailpipe outlet design your car deserves.

Designed specifically for 2019 to 2021 G20 3 Series 340i and 340d models with square exhaust finishers, this rear lower bumper trim delivers an OEM+ appearance and a sharper, wider stance. The lush carbon weave and mirror-like gloss elevate the back of the car, pairing perfectly with performance styling and exterior tuning builds.

• Compatibility: 2019–2021 BMW G20 3 Series 340i and 340d (square tailpipe variant)
• Material: genuine carbon fibre with a high-gloss clear coat
• Style: square outlet rear valance / rear lower bumper trim
• Look: premium OEM+ aesthetic with a bold, performance edge

We’ve installed this upgrade on customer cars here at MJ Modifications and the feedback has been fantastic — precise fitment, beautiful weave, and a dramatic transformation of the rear profile. If you’re building a clean daily or a show-ready street car, this carbon rear piece delivers the perfect finishing touch.

Professional fitting available: book installation with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Searching for rear styling and tuning parts for your BMW? This carbon rear apron is ideal for anyone looking for a performance rear splitter look, exhaust surround upgrade, rear lower spoiler, or carbon rear bumper insert for the G20 3 Series. Popular search terms include: BMW G20 rear valance, carbon rear trim, 3 Series rear splitter, square tailpipe rear insert, gloss carbon rear, BMW 340i/340d exterior styling, G20 carbon upgrade, performance body kit accessory, aftermarket rear diffuser style piece.

Note: for G20 3 Series saloon 2019–2021 340i and 340d with square tailpipe exits only.