Home >> BMW >> 2021 >> 840i 2D Convertible >> Repair and Diagnosis >> Collision >> Body Panels >> Collision - Body Panel Repair (G14, G15, & G16) (1 Of 2) >> 41 21 Side Frames And Pillars >> 41 21 940 Additional Work - C-Pillar Partial Replacement (8' Series Convertible Models) >> Installing The C-Pillar Reinforcement