Fitting dimensions for Coupe and Convertible:
Stick on adhesive tape up to top edge "A" and mark out measurement "B".
ADHESIVE TAPE DIMENSIONS
| Coupe (all except M3) | A = 55 mm | B = 15.5 mm |
| M3 Coupe | A = 42.5 mm | B = 41 mm |
| Convertible (except M3, 320 Cd) | A = 42.5 mm | B = 21 mm |
| M3 Convertible | A = 16.4mm | B = 10.8 mm |
| 320 Cd Convertible | A = 56.5 mm | B = 19 mm |