Febi 11-51-8-512-234 Coolant Thermostat for BMW Diesel Engines

The Febi 11-51-8-512-234 is a precision-engineered coolant thermostat designed to maintain optimal engine operating temperature in BMW diesel applications. This thermostat ensures your engine reaches its ideal temperature quickly and maintains it consistently for maximum efficiency and performance.

Key Features:

• OEM-quality replacement thermostat manufactured by Febi Bilstein
• Wax pellet design opens and closes at precise temperature thresholds
• Regulates coolant flow between engine and radiator for optimal thermal management
• Direct replacement for BMW OEM part number 11518512234
• Designed specifically for BMW diesel engines including N47 and N57 applications

A properly functioning thermostat is critical for engine longevity and fuel efficiency. When the engine is cold, this thermostat remains closed to allow coolant to circulate within the engine block, promoting rapid warm-up. Once the optimal operating temperature is reached, the thermostat opens to allow coolant to flow through the radiator for effective cooling. The precision wax pellet mechanism ensures reliable operation across thousands of heating and cooling cycles.

Cross Reference Numbers: Febi 105993, BMW 11518512234, 11 51 8 512 234