F20 F21 M135i M140i Rear Gloss Carbon Arch Guards AP012 - Fast Road, Track Day, OEM Plus

For F20 and F21 chassis with N55 or B58 engines - M135i (2012-2017), M140i (2016-2019), including xDrive - these rear arch guards are built for drivers who want stone chip protection without sacrificing clean lines.

• Exact fit for standard and M Sport bodywork - no trimming, no drilling, no fudging
• Forged carbon finish (AP012) - deeper gloss and tighter weave than twill; matches OEM+ and show car builds
• Designed for fast road, track day and OEM plus use - not just cosmetics, but functional protection against kerb rash and high-speed debris
• Compatible with factory arch liners and aftermarket side skirts - fits as intended, not as hoped
• Also search for: F20 carbon arch guards, F21 rear mud flaps, M140i stone chip guards, N55 wheel arch protection, B58 fast road accessories