BMW Thermostats

BMW E46 M54 AAF Low Temp Thermostat Kit - Partial is an essential upgrade for enthusiasts looking to optimize engine performance and reliability. Developed by Advanced Auto Fabrication (AAF), this kit addresses the limitations of the factory M54 thermostat, which maintains a temperature range of 80-103°C and opens the mechanical failsafe at 110°C. For race conditions where maintaining a lower temperature is crucial, this kit replaces the stock electronic thermostat with a manual unit, allowing the engine to run at a safer and more efficient temperature. This upgrade not only enhances engine longevity but also reduces stress from high-temperature operation, minimizes heat soak, and increases power.

• Optimal Temperature Control: Replaces the factory thermostat for improved engine temperature management.
• Enhanced Engine Longevity: Operates at safer temperatures, reducing stress and extending engine life.
• Increased Power: Lower operating temperatures can lead to better engine performance.
• Reduced Heat Soak: Helps prevent overheating and ensures efficient cooling.
• Improved Reliability: Manual thermostat unit offers more consistent performance in racing conditions.

Partial Kit Contents:

• Thermostat housing plate
• Thermostat
• Installation hardware

This Genuine MINI part is typically referred to as the thermostat neck / housing, this part mounts on the highest point on the head and controls the flow back to the pressure tank. Cracking, which usually occurs around the gasket seal and leaks, are symptoms that it’s worn out. Up to 7/2012 production will need adapter   12518611289  .   Production  7/2012 - 2/2013 will need adapter  12518614952 .  2/2013 + need no adapter. 

This is usually found by a blue coolant pooling on top of the transmission housing leaking from the thermostat itself. You will need to replace this asap as you can overheat and cook the engine. 

This kit includes:

• Profile gasket
• O-ring
• Vent screw
• Two seals and a bleeder screw

This Genuine MINI Kit part is to prevent cooling issues before they begin with a Thermostat Replacement Kit. The experts at Turner have identified all of the common parts that fail on a MINI and included them all in this convenient kit.

If your MINI has high miles or needs one of these unit replaced its a little insurance to replace all the critical components. (Included in this kit are all Genuine MINI parts.)

This is usually found by a blue coolant pooling on top of the transmission housing leaking from the thermostat itself. You will need to replace this asap as you can overheat and cook the engine. 

Up to 7/2012 production will need adapter  12518611289 .   Production  7/2012 - 2/2013 will need adapter  12518614952  2/2013 + need no adapter. 

Genuine MINI Thermostat Replacement Kit is designed to prevent cooling issues before they arise, ensuring optimal performance for your BMW or MINI. This comprehensive kit includes all the critical components commonly known to fail, as identified by experts in the industry. With Genuine MINI parts included, this kit offers peace of mind for drivers with high-mileage vehicles or those needing replacements.

By replacing your thermostat and related components, you can help maintain your vehicle's cooling system and prevent overheating. This kit includes a thermostat with housing and three genuine OEM thermostat housing bolts, providing everything needed for a complete and effective replacement.

• Prevents cooling issues, ensuring optimal engine performance
• Comprehensive kit includes all critical components known to fail
• Features Genuine MINI parts for reliable quality and fit
• Ideal for high-mileage vehicles needing maintenance
• Includes thermostat with housing and OEM bolts for easy installation