BMW MINI R50 One D Diesel W17 Charge Air Cooler Intercooler 7788755

The MINI R50 One D Diesel W17 Intercooler Radiator is an original boost system component designed for Diesel engines in the Mini R50 One D model. It ensures efficient cooling of compressed air, which translates to stable engine operation and maintenance of factory performance parameters. Thanks to the use of an original design from the charge air cooler category, the part works with the turbocharger without requiring installation modifications.

Specifications and technical data

• SKU: 7788755
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7788755
• Substitutable numbers: 17517788755, 7788755
• Fuel type: Diesel
• Category: Intercoolers

Purpose and Role in the Boost System

The presented charge air cooler has been specifically designed for the Mini One D version with a diesel engine. Its function is to lower the temperature of the air compressed by the turbocharger before it enters the intake manifold. Cooler air has higher density, which promotes efficient fuel-air mixture combustion and helps maintain stable engine power and smooth operation.

A properly selected intercooler in a Diesel system reduces the risk of charge air overheating, which is particularly important during extended driving under load and in urban conditions. Proper airflow and cooling also contribute to the uniform operation of the turbocharger and accurate throttle response.

Technical and Construction Characteristics

As a component from the charge air cooler group, the intercooler for Mini R50 One D Diesel W17 utilizes a classic, proven air-to-air heat exchanger design. The placement of the connectors and the housing shape are matched to the factory intake pipe system in this model, facilitating installation and maintaining the original airflow path.

The geometry of the core and airflow channels has been selected for the specific characteristics of the diesel engine, ensuring a balance between pressure drop and cooling efficiency. This allows the intercooler to support the maintenance of proper boost pressure, which is important for both driving dynamics and engine control system operation.

Condition, Origin, and Benefits of Using OEM Parts

The offered Mini charge air cooler belongs to the OEM parts group, meaning it is a component that complies with the vehicle manufacturer's factory specifications. This type of component ensures proper fitment with mounts, pipes, and covers, without the need for modifications to the intake system or brackets.

Choosing a used OEM part is particularly beneficial for specialized components like an intercooler in a Diesel engine. It allows for the preservation of the original boost system operating characteristics while reducing repair costs compared to a new part. If you want to better understand why used original components often outperform aftermarket alternatives, check out the guide 5 Reasons Why a Used OEM Part Might Be a Better Choice Than an Aftermarket Replacement.

Operation in Diesel Engines and Thermal Conditions

Diesel engines generate significant thermal loads, especially during summer and under intensive use. An efficient intercooler in the Mini R50 One D helps reduce the temperature of the charge air, promoting stable engine operation and supporting the maintenance of correct combustion parameters. This is important for both performance and the durability of components working with the turbocharger.

High ambient temperatures further stress the charge air cooling system. Therefore, it is advisable to check the condition of the charge air cooler before the summer season. You can find more practical tips on the impact of heat on the cooling system and ways to make sensible use of used components in the article Summer Heat vs. Cooling System – How Used Radiators and Fans Help Reduce Costs.

Summary of Application in Mini R50 One D

The MINI R50 One D Diesel W17 Intercooler Radiator is a functional, factory-matched boost system component designed for the diesel engines of this model. Using an original charge air cooler allows for the restoration of proper charge air cooling, supports stable turbocharger operation, and helps maintain factory driving parameters. It is a sensible solution for Mini owners looking for a technically matched, proven part for their intake system.