Part number 18301723887 is a BMW Exhaust Gasket. It replaces 18111176359. This is a 3-bolt hole exhaust flange gasket used primarily on the high-efficiency "e" (Eta) economy engines from the 1980s. It seals the connection between the catalytic converter outlet and the rear muffler section.
- BMW 3 Series (E30 Chassis)
- 1984–1987 BMW 325e (2.7L Inline-6)
- 1986–1987 BMW 325es (2.7L Inline-6 Sport)
- 1985–1987 BMW 325 Base (2.7L "Eta" variants) BMW 5 Series (E28 Chassis)
- 1982–1987 BMW 528e (2.7L Inline-6)