BMW E81 E87 E90 E91 LCI Automatic Heat exchanger Oil Radiator 7529499

Description

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E81 E87 E90 E91 LCI Automatic Heat exchanger Oil Radiator is an original lubrication system component designed for installation in the front section of BMW vehicles equipped with an automatic transmission. It ensures stable heat dissipation from the oil, which supports safe engine and transmission operation under various road conditions.

Specifications and technical data

• SKU: 7529499-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7529499
• Substitutable numbers: 17217529499, 7529499, 7521064
• Location on the vehicle: Front
• Gearbox type: Automatic
• Category: Engine Oil Coolers & Lines

Function and application of the BMW oil cooler

The presented oil cooler is responsible for effectively lowering the temperature of the engine or transmission oil, which reduces the risk of overheating and loss of lubricating properties. Its placement in the front of the vehicle allows for optimal use of the airflow, and the design, tailored to BMW E87, E88, E90, and E93 series models, allows for precise integration with the factory cooling system.

By being dedicated to vehicles with an automatic transmission, the cooler supports stable transmission operation during city driving, highway driving, and under conditions of increased thermal load, e.g., in traffic jams or when towing.

Benefits of installing a used oil cooler

Using an original oil cooler from dismantling is a solution that combines economic aspects with the preservation of the factory operating characteristics of the system. A used component from the Oil coolers and lines group allows for:

• maintaining the proper oil temperature in the engine and transmission,
• reducing thermal loads on cooperating components,
• maintaining compatibility with factory mounting points and oil lines,
• reducing repair costs compared to new parts.

Selecting a component from the same BMW model platform minimizes the risk of installation problems and ensures predictable system behavior during long-term operation.

Installation in the front of the vehicle and cooperation with an automatic transmission

The cooler has been designed for installation in the front body zone, which facilitates service access and integration with the existing cooling architecture. The design adapted for cooperation with an automatic transmission allows for effective heat dissipation generated by both the engine and the transmission, which is particularly important during dynamic driving or frequent gear changes.

With proper installation, maintaining the tightness of oil lines and correct system venting, the cooler supports the stable operation of the entire powertrain, reducing the risk of oil pressure drops and accelerated wear of internal components.

Used condition and selection of the correct component

The offered oil cooler is a used component, which allows for a favorable price-to-functionality ratio while maintaining the original BMW specification. Before installation, it is recommended to verify the tightness, cleanliness of the oil channels, and compatibility with the specific engine version and transmission of the given vehicle.

To select the appropriate component, it is worth using the manufacturer’s markings and replacement numbers visible in the technical specification, which facilitates matching to the specific configuration of the BMW 1 and 3 series of the E generation.

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

Technical support and knowledge about the cooling system

When replacing an oil cooler, it is particularly important to understand the impact of operating temperature on the durability of the engine and transmission. High thermal loads in the summer season can accelerate oil degradation, which is why a properly selected and efficient cooling component is crucial for operational safety.

More practical information on the impact of temperature on the cooling system and ways of economical operation of used components can be found in the article “Summer heat vs. cooling system: used radiators and fans as a guarantee of savings”, which will help you better plan the service of your BMW.

If you want to additionally take care of the durability of parts from dismantling, including oil coolers, it is worth reading the guide “How to extend the life of used car parts?”, which describes practical methods of maintenance and operation of such components.