BMW F01 F07 F10 F11 F12 Heat Exchanger Oil Cooler Automatic Gearbox 7638678

BMW F01 F07 F10 F11 F12 Heat Exchanger Oil Cooler Automatic Gearbox is a specialized component of the transmission oil cooling system, designed for BMW models with petrol engines and automatic transmissions. It is responsible for stabilizing the operating temperature of the transmission, which translates into its durability, smooth gear shifting, and safe loading of the entire drivetrain. Thanks to the use of the original BMW design, this heat exchanger ensures installation compatibility and predictable operating parameters.

Specifications and technical data

• SKU: 7638678
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7638678
• Substitutable numbers: 7638678, 17217638678, 7599546, 17217599546, 7572541, 17227572541, 7572540, 17217572540, 8624132, 17218624132, 7638681, 17217638681, 7597890, 17227597890
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Oil Coolers & Lines

Purpose and function of the heat exchanger

The presented heat exchanger is a component from the Oil coolers and lines group, responsible for transferring excess heat from the transmission oil to the engine cooling medium. In BMW F01 and F10 series vehicles with petrol units and automatic transmissions, a stable oil temperature is crucial for maintaining proper pressure, protecting clutch discs, and reducing wear on internal components.

A properly selected heat exchanger helps to:

• maintain transmission oil within the optimal operating temperature range,
• reduce the risk of automatic transmission overheating during dynamic driving,
• increase the predictability of the drivetrain operation in city traffic and on the highway.

Compatibility and technical parameters for installation

The heat exchanger has been designed to work with the automatic transmission in BMW vehicles powered by petrol fuel. The design includes factory mounting points as well as oil and coolant connections, which facilitates installation in place of a worn component without the need for system modifications. As a result, the service can carry out the replacement in a repeatable manner, in accordance with the manufacturer's procedures.

The element has an assigned OEM part number and a set of interchangeable numbers, which allows for precise verification of compatibility with a specific vehicle configuration. In practice, this means the possibility of safely selecting the heat exchanger for a given variant of the transmission and cooling system, without the risk of problems with fitting the connectors or leaks.

Benefits of using an original BMW heat exchanger

Using an original BMW solution in the area of transmission oil cooling provides a number of practical operational benefits:

• Stable automatic transmission operation – proper heat dissipation reduces oil degradation and protects friction elements.
• Better gear shifting quality – maintaining the correct oil viscosity promotes smooth gear changes under various load conditions.
• Drivetrain protection – reduction of overheating lowers the risk of costly transmission and accessory failures.
• Factory fitment – original geometry of connections and mounts facilitates installation and subsequent maintenance.

By choosing this heat exchanger, you are investing in a component designed specifically for the construction requirements of the BMW F01 and F10, which translates into predictable vehicle behavior over a long period of use.

Characteristics of the used product

The offered heat exchanger comes from the category of used parts, which allows for a significant reduction in repair costs compared to purchasing a new OEM component. With proper verification of tightness and the condition of the flow channels, such an element can still provide correct cooling parameters while maintaining the original installation specification.

Choosing a used heat exchanger is particularly beneficial in the case of preventive repairs or restoring the efficiency of a vehicle in which local damage to the oil cooling system has occurred. This allows for optimizing the service budget without giving up the original BMW design.

Technical support and additional information

To maximize the service life of the cooling system and the automatic transmission, it is worth taking care of the proper condition of the entire liquid and oil circuit. In our guide, you will find practical tips regarding the operation and selection of used cooling elements – check out the article Summer heat vs. cooling system: used radiators and fans as a guarantee of savings to better understand the impact of temperature on the durability of components.

If you are planning a comprehensive repair or upgrade of the transmission oil cooling area in your BMW and need other elements from the same group, such as oil lines, additional oil coolers, or mounting connectors, check the available parts in the BMW oil coolers and lines category.