BMW E60 E61 E63 E64 LCI Diesel Engine Cooling Coolant Water Radiator 7795878

The BMW E60 E61 E63 E64 LCI Water Radiator Air Conditioning Radiator is an original cooling system component designed for BMW models with a Diesel engine. Engineered to LCI version specifications, it ensures stable heat dissipation from the engine and integration with the air conditioning system, contributing to safe and predictable powertrain operation. This is a solution for drivers seeking a proven, used part with factory geometry and fitment.

Specifications and technical data

• SKU: 7795878
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7795878
• Substitutable numbers: 17117795878, 7795878, 31356757071, 6757071
• Fuel type: Diesel
• Category: Radiators

Intended Use and Compatibility with BMW 5 and 6 Series

The presented radiator is designed for the post-facelift (LCI) BMW 5 Series E60/E61 and 6 Series E63/E64 models equipped with diesel engines. Its construction accounts for the thermal loads characteristic of these units, ensuring cooling system stability in both city traffic and highway driving. The use of original geometry for connections and flow channels facilitates installation in place of the factory component without requiring modifications.

Construction and Function in the Cooling System

The water radiator in this BMW model is responsible for efficiently dissipating heat from the coolant, working in conjunction with the fan, thermostat, and other system components. The integrated air conditioning radiator allows for simultaneous cooling of the refrigerant in the air conditioning system, which improves temperature stability in the engine bay and cabin. This combination of components in a single unit reduces the number of connections, minimizes the risk of leaks, and simplifies servicing.

By maintaining the factory design of the flow channels, the radiator ensures uniform distribution of coolant and predictable performance under high thermal loads typical for diesel engines. This is particularly important during prolonged high-speed driving or when towing, where stable engine operating temperature is crucial for the longevity of the powertrain.

Benefits of Using an Original Water Radiator

Using an original water radiator in the BMW E60, E61, E63, and E64 LCI allows for the preservation of operating parameters as intended by the vehicle manufacturer. The main advantages of this solution include:

• factory fitment to the mounting points and lines of the cooling and air conditioning systems,
• maintenance of proper coolant and air conditioning refrigerant flow,
• seamless integration with diesel engine accessories,
• reduced risk of engine overheating under heavy load.

For the user, this translates to predictable vehicle behavior, no need for installation modifications, and the ability to maintain the cooling system in a configuration close to the factory setup. This is especially significant for diesel-powered vehicles, as these units generate high thermal loads during prolonged operation under load.

Condition, Verification, and Preparation for Installation

The offered radiator falls into the Water Radiators category and is a used component, enabling an economical repair of the cooling system while maintaining the original design. Before being offered, such components are routinely verified for leaks, the condition of connections, and overall suitability for further use. This ensures that the driver receives a part that can be integrated into the system after a standard installation procedure, adhering to BMW's service recommendations for bleeding and checking coolant levels.

Operation in High Temperatures and Service Knowledge

For diesel engines, maintaining an efficient cooling system during the summer is particularly important. High ambient temperatures, stop-and-go traffic, and intensive air conditioning use increase the load on the radiator and AC condenser. To better understand how to care for this area of your vehicle and when to consider replacing components with used yet verified parts, consult our guide: Summer Heat vs. Cooling System – Used Radiators and Fans for Sensible Operation.

If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and require other parts from the same group, such as additional radiators, hoses, or expansion tanks, check the available parts in the BMW Water Radiators category.