BMW Genuine Thermostat (92 deg. C) for 525i 318i 318is 318ti 320i 323i 325i 325is 328i M3 528i Z3 2.8 E34 E36 E39 Z3 Product Description: BMW Genuine Radiator Coolant Thermostat (92 deg. C) Quantity within package: 1 Please see Product Description below for vehicle compatibility. Manufacturer Warranty: 24000 miles or 2 years