Genuine 11537586784 Engine Coolant Thermostat

Engine Coolant Thermostat for BMW X3 and X4

This Genuine engine coolant thermostat, part number 11537586784, is a direct-fit cooling system component for select BMW applications. It is used to regulate coolant flow so the engine can reach and maintain proper operating temperature.

Key Features

• Genuine OEM thermostat for the engine cooling system
• Fits 2011-2017 BMW X3
• Fits 2015-2016 BMW X4
• Part number 11537586784 for accurate ordering and fitment verification
• Built for vehicles that require precise coolant temperature control

Detailed Description

Engine coolant thermostats play a central role in temperature management by opening and closing based on coolant temperature. This Genuine thermostat, part number 11537586784, is specified for BMW X3 and BMW X4 models in the listed years and is a practical replacement when the original thermostat is no longer regulating coolant flow correctly. If you are searching for a BMW X3 thermostat or BMW X4 coolant thermostat by part number 11537586784, this OE-style replacement matches the confirmed application data provided here.

What It Helps Address

• Engine running too cool or too hot
• Temperature fluctuations during normal driving
• Delayed warm-up after startup
• Cooling system performance issues tied to thermostat sticking

Installation Notes and Tips

Verify the part number 11537586784 against the original thermostat before installation. Drain coolant as needed, inspect the housing and sealing surfaces, and refill the cooling system with the correct BMW-approved coolant after service. Bleed air from the system according to factory procedure to help prevent temperature irregularities.

Quality Assurance

Genuine OEM replacement part for confirmed BMW applications. This part cross-references no additional part numbers in the provided data.