BMW Cooling System Parts & Accessories for BMW 5 Series E39 (1996-2003)

Our Turner Motorsport's full aluminum expansion tank was designed and engineered in house to help with the weak point in your E36 cooling system. The coolant expansion tank goes through heat cycles over and over again from regular driving, it is important that your expansion tank is doing its job to retain coolant to keep your engine operating temperatures down and keep your engine bay clean. Not only is this a major upgrade but also a great maintenance item to replace. Our expansion tank was designed to fit the OEM hoses for an easy install and comes with all the upgraded items you will need for a clean install,

If your E36 needs a new expansion tank, make sure this is the last expansion tank you ever need to buy. Our coolant expansion tank has a full aluminum construction and wrinkle black powder coat for durability. Expansion tank kit comes with all the accessories you need to replace your expansion tank once, and never have to worry about it again.

Aluminum Coolant Expansion Tank Features:

- Maintains stock coolant capacity and expansion volume

- Designed to maintain OE coolant elevation, preventing air pockets

- Baffled tank ensures that air pockets cannot be introduced during aggressive driving and provides accurate coolant level reading

- Carefully designed bleed passage prevents the introduction of air as the engine cools

- Turner engraved internal fill level

- TIG welded 5052 aluminum construction

- All bungs are machined to fit factory hose ends

Kit contents:

Turner Aluminum Expansion Tank
Coolant level sensor
Expansion tank cap
Heavy duty bleeder screw
Flared coolant pressure release line
Hardware for installation

Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. The sensor on the housing is also used by the engine computer to set the fuel mapping on the engine. A faulty sensor or thermostat will lead to the engine running rich (too much fuel). This thermostat fits BMW E39 540i 99-03 E38 740i 99-01 X5 4.4i 4.6is 99-2003 with M62 engine. 

This item fits the following BMWs: 
1999-2001  E38 BMW  740i 740il 
1999-2003  E39 BMW  540i 
1999-2003  E53 BMW  X5 4.4i X5 4.6is

Upgrade your BMW's cooling system with the Genuine BMW E39 M5 Radiator Fan Clutch from Turner Motorsport. This essential component ensures optimal engine temperature control by adjusting the fan speed based on the engine's rotational speed. If your vehicle tends to run hotter than desired in traffic, the fan clutch efficiently reduces rotational load and drag, providing a reliable solution.

Key Benefits:

• Genuine BMW quality for precise fit and performance.
• Enhances cooling system efficiency.
• Adjustable fan speed for optimal engine temperature.
• Reduces rotational load and drag when unneeded.
• Ideal for vehicles with mechanical fans.
• Effective solution for managing heat in traffic.

Upgrade your cooling system with Turner Motorsport's Genuine BMW E39 M5 Radiator Fan Clutch to keep your BMW running at the right temperature.

Ensure optimal engine performance with Turner Motorsport's High-Quality Water Pump for your BMW. This crucial component maintains smooth coolant circulation, preventing overheating issues. Replacing the water pump is essential to safeguard engine internals and prevent costly repairs.

Key Benefits:

• Prevents overheating problems.
• Safeguards engine internals.
• Common issue addressed in German vehicles.
• Vital for preventing unnecessary repair trips.
• Guards against rapid coolant temperature rise.
• Averts potential head gasket or piston ring failure.
• Ideal preventative maintenance during timing belt replacement.

Don't risk engine damage; choose Turner Motorsport's Water Pump for reliable coolant circulation and engine protection.

Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. The sensor on the housing is also used by the engine computer to set the fuel mapping on the engine. A faulty sensor or thermostat will lead to the engine running rich (too much fuel).

This item fits the following BMWs: 
up to 09/1999  E38 BMW  740i 740il
up to 09/1999  E39 BMW  540i

Replace your expansion tank with all Genuine BMW parts for guaranteed reliability and longevity.

The kit includes:

Genuine BMW expansion tank with level sensor
Genuine BMW expansion tank cap and seal
Genuine BMW bleeder screw
Genuine BMW hose clamps
Genuine BMW coolant level sensor
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.