Thermostat 97°C (M52 M54) (BMW 3 Series E46 / 5 Series E39 / E60 / X3 E83 / X5 E53 / Z4 E85/E86) is a temperature-controlled valve designed to regulate coolant flow within the engine cooling system. It maintains optimal operating temperature by opening at 97°C to allow coolant circulation, preventing overheating and ensuring efficient engine performance.
This thermostat suits various BMW models, including the 3 Series E46, 5 Series E39 and E60, X3 E83, X5 E53, and Z4 E85/E86, featuring M52 and M54 engines. When replacing a thermostat, it’s important to match the thermal opening temperature and ensure compatibility with your vehicle’s engine variant and model year for proper fit and function.
Normal operation of this component directly supports engine temperature management, affecting both fuel efficiency and emission control. Buyers should compare their old part’s opening temperature and engine compatibility to this thermostat’s 97°C rating and the listed BMW model applications. This helps identify the correct replacement to maintain the cooling system’s balance.
Key points to consider:
- Thermostat opens at 97°C for coolant flow regulation
- Compatible with multiple BMW series and models (E46, E39, E60, E83, E53, E85/E86)
- Designed for M52 and M54 engine types
If uncertain about specific fit or engine version, consult a professional or submit a request for further guidance to ensure proper match and fitment.
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.