BMW F20 F30 F31 F32 Engine Oil Cooler Radiator Bracket Frame Surround 9452275

BMW F20 F30 F31 F32 Engine Oil Cooler Radiator Bracket Frame Surround is an original component from the Oil coolers and lines group, designed for use with automatic transmissions in BMW and Mini vehicles. It ensures stable heat dissipation from the transmission oil, which translates into safe transmission operation and predictable drivetrain behavior even under intensive use.

Specifications and technical data

• SKU: 9452275-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9452275
• Substitutable numbers: 9452275, 17219452275, 7600698, 17217600698
• Category: Engine Oil Coolers & Lines

Purpose and function of the transmission oil cooler

The presented oil cooler is designed for the drivetrain systems of the BMW F40 series, X2 F39, and Mini F60 with the B48E unit, where it is responsible for maintaining a stable transmission oil temperature. A properly functioning heat exchanger reduces the risk of transmission overheating, protects friction elements and control hydraulics, and supports smooth gear shifting.

Thanks to its factory OEM design, the cooler works with the original oil line and cooling system, which allows for maintaining the operating parameters specified by the vehicle manufacturer. This is particularly important in cars operated in varying conditions – from city driving to long highway trips.

Construction and fitment to the drivetrain

The transmission oil cooler for BMW and Mini with the B48E family is structurally integrated with the vehicle's cooling system, which enables efficient heat exchange between the transmission oil and the coolant. The placement of the connection ports and mounting points are adapted to factory brackets and lines, which facilitates installation and minimizes the risk of leaks.

The original solution from the Oil coolers and lines group ensures proper flow of the working medium, and thus stable operating conditions for the transmission. Using a dedicated component allows you to avoid problems typical of aftermarket replacements with imprecise fitment, such as stress on the lines or difficulties with bleeding the system.

Benefits of using an original BMW cooler

Choosing an original transmission oil cooler for the BMW F40, X2 F39, and Mini F60 B48E brings a number of practical benefits:

• maintaining transmission operating parameters in accordance with the manufacturer's specifications,
• stable transmission oil temperature across a wide range of loads,
• reduction of the risk of overheating and accelerated wear of internal components,
• secure fitment to factory lines and mounting brackets,
• consistency with the original engine and transmission cooling system.

An automatic transmission cooling system configured in this way promotes longer service life of drivetrain components and more predictable vehicle behavior during dynamic driving, towing, or operation in higher ambient temperatures.

Condition of the component and service application

The offered BMW transmission oil cooler is a secondary market component, which allows for an economical repair of the system while maintaining the original design. This solution is particularly beneficial when replacing a damaged heat exchanger after a failure, collision, or upon discovering a leak during a service inspection.

Due to the specific nature of the transmission cooling system, it is recommended that installation be performed by a workshop with experience in BMW and Mini vehicles, following procedures for bleeding and leak testing. A properly performed replacement restores full system functionality and helps maintain stable transmission operating conditions.

Technical support and knowledge about the cooling system

To better understand the impact of a functional oil cooler on the durability of the engine and transmission, it is worth checking out our guide material regarding the diagnostics and operation of the cooling system – especially in the context of BMW models and other premium brands. Practical tips, examples of faults, and a discussion on the role of heat exchangers can be found in the article Engine cooling system – overheating, repair, and used radiators.

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