BMW 4 Series G22/G23 Rear Diffuser Gloss Piano Black Round Tip Valance | Rear Bumper Lower Splitter/Apron Insert | ABS Exhaust Surround Trim | 2020+ Coupe/Convertible | CT Carbon Performance

Transform the back end of your 2020 onward 4 Series with this CT Carbon rear valance. Precision moulded from high-quality ABS and finished in a deep, high-gloss piano black, it delivers a sharper, sportier look with round tailpipe apertures that frame your exhaust perfectly. Ideal for drivers who want premium styling without compromise.

• Designed for the G22 coupe and G23 cabriolet platforms
• High-gloss piano black finish for a clean, OEM-plus appearance
• Durable ABS construction for everyday road use
• Round exhaust outlet cut-outs for a motorsport-inspired look
• Precision fitment rear lower trim to enhance the factory bumper line
• Aftermarket styling upgrade that complements body kits and aero packages

This rear lower splitter, often called a rear apron or bumper diffuser insert, is a simple but impactful styling upgrade that adds presence, depth and a more aggressive stance to the rear of your G22 or G23. We have fitted this upgrade in-house and customers consistently praise the fit and mirror-like shine.

Compatibility

• BMW 4 Series G22 Coupe, 2020 onwards
• BMW 4 Series G23 Convertible, 2020 onwards

Also searched as: rear bumper diffuser insert, rear lower valance, performance rear splitter, rear apron trim, exhaust surround with round tips, piano black rear spoiler for bumper, G22 rear bumper lower, G23 tailpipe surround, ABS rear undertray, aftermarket body styling for 4 Series.

Fitting and Support

Professional installation recommended. Book fitting with MJ Modifications in Warwickshire. For a quotation, email info@mjmodifications.co.uk.

Note: Please check your rear bumper style and exhaust layout to ensure compatibility before ordering.