F20 F21 M135i M140i AP Design Front Carbon Arch Guards - Part No. AD-FAG-F20

Front arch guards for the F20 and F21 chassis - specifically the M135i (N55) and M140i (B58) - because stone chips on UK B-roads shouldn’t count as character.

• Exact fit for F20/F21 M135i and M140i - no trimming, no guesswork, no 'works on most' disclaimers
• Made from 2x2 twill carbon fibre with gloss resin finish - stiff, UV-stable, and lighter than OEM plastic
• Includes extended-length fasteners to suit aftermarket suspension drops - relevant if you’re running coilovers or a fast road setup
• Commonly searched as: F20 carbon arch guards, M140i wheel arch protection, B58 show car trim, N55 track day body protection, F20 decat-ready styling, F21 fast road aesthetic

Not a replacement part. Not OEM-spec. It’s a lightweight, purpose-fit visual and protective upgrade - because race car.