BMW F20 F21 F30 LCI M140i 340i Engine Heat Management Module 7642854

The BMW F20 F21 F30 LCI M140i 340i Engine Cooling Thermostat Module is an original cooling system component designed for modern, facelifted BMW 1 and 3 Series powertrains. It ensures precise control of the engine's operating temperature, contributing to stable performance and safe operating conditions. Thanks to its factory design, the BMW engine cooling thermostat module integrates seamlessly with other components without requiring any installation modifications.

Specifications and technical data

• SKU: 7642854
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7642854
• Substitutable numbers: 11537642854, 7642854
• Tire profile: 65535
• Category: Other Engine Parts

Purpose and Function of the BMW Thermostat Module

The presented module is a cooling system component responsible for controlling the flow of coolant in BMW M140i and 340i engines in the F20, F21, and F30 LCI versions. Its function is to maintain the optimal operating temperature of the powertrain, which is crucial for component durability, power stability, and fuel consumption.

Thanks to its design conforming to manufacturer standards, the module works with the factory engine control, ensuring:

• controlled engine warm-up after startup,
• stable temperature maintenance across a wide range of loads,
• protection against overheating during intense driving conditions.

Construction and Integration with the Cooling System

The engine cooling thermostat module in these BMW models is an integrated solution, combining the fluid flow control element and connections for the cooling system hoses within a single housing. This design facilitates installation and reduces the number of potential leak points. The component is designed to work with modern, turbocharged gasoline engines where precise temperature control is particularly important.

The original manufacturing ensures proper fitment to the engine block and other components, resulting in hassle-free installation and correct operation of the entire cooling system.

Benefits of Using an Original Thermostat Module

Using the factory thermostat module in BMW F20, F21, and F30 LCI models offers a range of practical benefits for everyday operation:

• Stable engine operating temperature – reducing the risk of overheating and operating at too low a temperature.
• Improved powertrain protection – optimal thermal conditions contribute to the durability of seals, the turbocharger, and cylinder head components.
• Compatibility with engine control software – no need for adaptations or parameter modifications.
• Correct geometric fitment – maintaining factory hose routing and proper coolant circulation.

For users who wish to maintain their car in a configuration close to the factory original, choosing an original BMW engine cooling thermostat module is a technically safe and predictable long-term solution.

Condition, Verification, and Service Application

This component is a used part, removed from a vehicle, and intended for reinstallation in BMW F-Series vehicles with M140i and 340i engines. Such used components are frequently chosen by professional workshops and discerning owners seeking a balance between repair cost and maintaining the vehicle's original technical specifications.

Before installation, the standard service procedure is recommended, including checking the cooling system for leaks, replacing the fluid with one that meets manufacturer recommendations, and bleeding the system. A correctly selected and installed thermostat module allows for the restoration of proper engine operating parameters after a failure or wear of the previous component.

Other Category Items and Technical Knowledge

If you are looking for other items in the Other BMW Parts category, check out our dedicated offer, where you will find a wide selection of components for this manufacturer: other BMW parts.

For those interested in comparing technical solutions used in various sports and performance models, a material discussing the construction of powertrains, brakes, and chassis in higher-class cars may be useful. More information can be found in the article: Audi RS vs Other Models – What Lies Under the Hood and Chassis?.