Thermostat With Housing

Product Details

Don't let a tired factory thermostat sideline your BMW. This Febi Bilstein thermostat assembly is the perfect solution for maintaining correct cooling system pressures and temperatures on the street or the track. Engineered to match OE specifications, this unit handles the thermal demands of your engine, ensuring it quickly reaches and locks into its ideal 108°C operating temperature. Complete with the housing and necessary electrical connectors, this assembly eliminates the common plastic-fatigue leak points of aging factory units.

Key Features

• Engineered to match rigorous European OE performance standards

• Prevents engine warm-up delays and maintains precise thermal control

• Designed with premium materials to resist cracking and premature failure

• Plugs directly into factory wiring harness with no modifications required

Specifications

• Manufacturer: Febi Bilstein

• Part Number: 46404

• Opening Temperature: 108°C

• Outer Diameter: 38 mm

• Number of Connectors: 2

• Housing Type: Integrated with housing

• Comparable OE Numbers: BMW 11538635689, 11538648791, 11537588257, 11537633477, 11537633476, 11538636594, 11538636595

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