Overview The BMW M57 Coolant Temperature Sensor is a cooling system component for the BMW M57 diesel engine — covering radiators, water pumps, thermostat housings, coolant pipes, or cooling circuit hardware engineered for M57 conversion and performance applications. Key Features Engineered for BMW M57 diesel cooling circuit specification Designed for reliable thermal management under sustained load and elevated ambient temperatures Compatible with M57 coolant circuit flow rates and pipe diameters Compatibility Designed for the BMW M57 diesel engine. Compatible conversion platforms include: BMW M57 diesel swap platforms. Confirm specific cooling circuit dimensions and connection points for your build. What's Included 1 × BMW M57 Coolant Temperature Sensor Hardware and fittings where specified Technical Specifications Application: BMW M57 engine cooling system Verify coolant connection diameters and flow specification for your M57 variant Applications M57 engine swap and conversion builds requiring tailored cooling solutions. Performance builds requiring improved thermal capacity. Expedition vehicles operating in high-ambient-temperature environments. Installation Notes Pressure-test the cooling system after installation. Bleed all air from the circuit before operating the engine. Confirm thermostat opening temperature is correct for your application. Related FastMotion Systems BMW M57 Cooling Upgrades BMW M57 Sensors