Part number 18301723881 is a BMW Exhaust Gasket (specifically for the rear of the catalytic converter or exhaust pipe connection). Part number replaces 11751266820. This specific asbestos-free, 3-bolt-hole gasket primarily fits classic, late-1978 to mid-1985 BMW models equipped with the 3.2L or 3.3L inline-6 engine:
- BMW 5 Series (E28 Chassis)
- 1983–1984 BMW 533i (3.2L)
- 1979–1981 BMW 528i
- BMW 6 Series (E24 Chassis)
- 1978–1984 BMW 633CSi (3.2L Coupe, Automatic & Manual)
- BMW 7 Series (E23 Chassis)
- 1978–1984 BMW 733i (3.2L)