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Zionsville Autosport M54 Competition Thermostat Plate Kit

BMW’s M54 engine was another step forward in development in power, efficiency and emissions, but the lower emissions came at a price.  The thermostat is electronically controlled to run the engine between 80-103°C (we like to be 80 or less for max power).  Additionally, the mechanical failsafe doesn’t open up until the coolant temp reaches 110°C.  That’s 230°F, or about the point we turn a racecar off and park – it’s no wonder so many M54 engines get overheated and killed!

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BMW’s M54 engine was another step forward in development in power, efficiency and emissions, but the lower emissions came at a price.  The thermostat is electronically controlled to run the engine between 80-103°C (we like to be 80 or less for max power).  Additionally, the mechanical failsafe doesn’t open up until the coolant temp reaches 110°C.  That’s 230°F, or about the point we turn a racecar off and park – it’s no wonder so many M54 engines get overheated and killed!

The Zionsville Autosport M54 Competition Thermostat Plate Kit is designed to return the selection of normal engine operating temperature to the owner/builder by replacing the stock electronic thermostat with a manual unit (replaces BMW part no. 11 53 7 509 227).  This allows what we feel is a proper operating temperature which improves engine longevity, reduces stress stressed high-temp operation, reduces heatsoak and increases power!

Weight 18 lbs