BMW M3 M4 F80 F82 F83 F8X 2014-2020 Gloss Piano Black Rear Lower Diffuser / Valance V-Style - Rear Bumper Insert with Fins, Under Bumper Trim, Rear Splitter Lip, Rear Skirt - CT Carbon BLAK

Transform the rear of your F8x with a sleek, high-gloss V design valance

Give your BMW M3 or M4 a sharper, motorsport-inspired look with this piano black rear lower bumper insert. Manufactured by CT Carbon as part of the BLAK range, this durable gloss black plastic rear valance adds aggressive fins and a pronounced V design silhouette for a clean, purposeful finish.

Why enthusiasts choose this upgrade

• High-gloss piano black finish for a premium, factory-plus appearance
• V design styling with pronounced fins for a more aggressive rear end
• Precision moulded for the F8x platform for a tidy, secure fit
• Durable plastic construction designed for daily use
• Instant visual upgrade that complements quad exhausts and OEM body lines

Compatible vehicles

• 2014 to 2020 BMW M3 F80 Saloon
• 2014 to 2020 BMW M4 F82 Coupé
• 2014 to 2020 BMW M4 F83 Convertible

Tested and loved by our community

We have fitted and used this part on customer cars and our own builds. Feedback has been consistently positive on the finish, the styling, and the overall fitment. It is a straightforward, high-impact styling upgrade for the F80, F82 and F83 chassis.

Professional fitting available

Want it installed perfectly first time? Book professional fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Looking for this by another name

If you are searching for this part, you might also find it under: BMW F80 rear valance, BMW F82 rear splitter, BMW F83 rear lip, F8x rear lower diffuser, piano black rear bumper insert, V design rear fin kit, gloss black rear under bumper trim, M3 rear aero fins, M4 rear skirt, F80 F82 F83 body kit upgrade, rear diffuser valance for BMW M3 M4.

Note: Images shown are for the F8x platform and illustrate the style and finish.