Why would I want a thermostat that opens earlier?

A lower opening temperature thermostat helps your engine run cooler, especially in modified vehicles or under heavy load. By allowing coolant to circulate through the radiator sooner, it helps prevent excessive heat buildup and can maintain more consistent operating temperatures.

Does this thermostat come with everything I need for installation?

This unit comes with the thermostat pre-installed in its housing, and it also includes the necessary housing gasket. You'll want to refer to the manufacturer's installation instructions for any additional hardware or sealants that may be required.

What is the warranty on this Mishimoto thermostat?

This Mishimoto racing thermostat is backed by Mishimoto's Lifetime Warranty, which covers defects in materials and workmanship.

Mishimoto Racing Thermostat w/Housing 70C MMTS-E46-99V2

Name: Mishimoto BMW M52/M54/M56 Racing Thermostat w/Housing - 70 Deg. C
Brand: Mishimoto
Price: 139.21 USD
Availability: InStock

Mishimoto BMW M52/M54/M56 Racing Thermostat w/Housing - 70 Deg. C

$139.21

Only 4 left in stock

Mishimoto BMW M52/M54/M56 Racing Thermostat w/Housing - 70 Deg. C. Helps modified engines cool more effectively by opening earlier.

Key Features

Fits a wide range of BMW M52, M54, and M56 engines.
Begins opening 48F (27C) earlier than stock to allow coolant flow sooner.
Comes pre-installed in a durable, OEM-quality housing.
Includes the thermostat housing gasket for a complete installation.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

If you've got a modified BMW with an M52, M54, or M56 engine and you're pushing it harder, you know how important keeping temps in check is. This Mishimoto racing thermostat is designed to help your cooling system keep up. It starts opening up sooner than the stock unit, allowing coolant to circulate through your radiator and shed heat earlier, which is crucial when you're demanding more from your engine.

This thermostat is set to begin opening at a lower temperature, about 48 degrees Fahrenheit earlier than the factory one. It comes already installed in a solid, OEM-quality housing, so you're not piecing together multiple parts. It also includes the necessary gasket, making the swap more straightforward. This setup is a well-built option for many BMWs, including models like the E46, E39, and E85 chassis.

This part is a good choice for those looking to improve their cooling system's response, especially in performance-oriented applications. It's backed by Mishimoto's Lifetime Warranty, giving you peace of mind.