Thermostat 97°C (N52 N53 N54) (BMW 1 Series E81/E87 / 3 Series E90 / 5 Series E60 / X1 E84 / X3 E83 / Z4 E85/E86 E89) is a crucial cooling system component designed for specific BMW models featuring N52, N53, and N54 engines. This thermostat regulates engine temperature by controlling coolant flow, opening at 97°C to ensure the engine warms up efficiently and maintains optimal operating temperature.
The thermostat fits a range of BMW vehicles, including the 1 Series (E81/E87), 3 Series (E90), 5 Series (E60), X1 (E84), X3 (E83), and Z4 (E85/E86/E89). When replacing this part, compare the old thermostat’s temperature rating and fit to avoid mismatches. The 97°C opening temperature is specific and important for balancing engine performance and emissions.
Choosing the correct thermostat ensures proper engine temperature management, which helps prevent overheating or inefficient fuel use. Confirm the part number or SKU BB-252316 matches your vehicle’s requirements to ensure compatibility.
- Designed for BMW engines N52, N53, and N54
- Opens at 97°C to regulate coolant flow
- Fits multiple BMW models: 1 Series, 3 Series, 5 Series, X1, X3, Z4
Need help matching this item to your vehicle? Use more Thermostat, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.





