This part is listed as BMW part number 11531312287 (11-53-1-312-287) and is described as Gasket Ring For Engine Coolant Thermostat on E34 M5 (1991, 1992, 1993), E39 M5 (2000, 2001, 2002, 2003), and E52 Z8 (except Alpina Roadster).
This round seal ring is located between the thermostat and the thermostat housing.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
BMW Fitments:
5 Series
E34 (89-95) > M5 (91-95)
5 Series
E39 (97-03) > M5 (00-03)
Z Series
E52 Z8 (00-03) > Z8 Roadster (2000-2003)
