
The Gates thermostat fits a range of older BMW models, including 3 Series (1980–1995), 5 Series (1985–1995), 635CSi (1986–1989) and M3 (1995–2001). Supplied as a replacement thermostat, it addresses cooling system needs across these explicit applications and is intended for owners seeking a direct-fit OEM-style part for routine service on the listed vehicles.
Gates 80-95 BMW 3 Series / 85-95 5 Series / 86-89 635CSi / 85-82 7 Series / 95-01 M3 Thermostat