Intercooler BMW G30 G31 G32 GT G11 G12 Charge Air Cooler Radiator 8576509

Intercooler BMW G30 G31 G32 GT G11 G12 Charge Air Cooler Radiator is a component of the forced induction system responsible for the efficient cooling of intake air in high-end BMW engines. As part of the Water radiators group, it works with the cooling system to stabilize the temperature of the air entering the cylinders, supporting smooth and predictable engine performance. Using a genuine BMW OEM component allows you to maintain factory flow characteristics and sealing, which is essential for both performance and engine durability.

Specifications and technical data

• SKU: 8576509
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8576509
• Substitutable numbers: 8576509, 17518576509
• Category: Radiators

Purpose and role in the BMW forced induction system

The presented water intercooler is designed for modern BMW G-series models, including high-end sedans and estates. Its task is to extract heat from the air compressed by the turbocharger and transfer it to the liquid cooling circuit. As a result:

• intake air temperature is kept within a stable, predictable range,
• the engine maintains repeatable power across a wider load range,
• the risk of engine knocking and localized thermal stress is reduced.

The water-based solution, unlike classic air-to-air intercoolers, allows for a more compact installation and more precise temperature management in a densely packed engine bay.

Construction and integration with the Water radiators system

The intercooler has been designed as an integral part of the factory BMW cooling system, where the coolant absorbs heat from both the engine and the charge air. In practice, this means:

• optimized air flow channel geometry,
• matching connection ports for coolant hoses,
• a construction prepared for operation under high boost pressures.

Thanks to its factory origin, compatibility with original brackets and hose routing is maintained, which facilitates installation and reduces the risk of leaks. Choosing an element from the Water radiators group dedicated to BMW allows you to avoid the compromises typical of universal aftermarket replacements.

Benefits of using a used BMW OEM intercooler

A used BMW OEM intercooler is a sensible choice for drivers who want to maintain factory engine performance characteristics while keeping maintenance costs under control. Compared to random aftermarket replacements:

• you retain the original heat exchange efficiency intended by BMW engineers,
• you minimize the risk of fitment and intake system sealing issues,
• you maintain the structural consistency of the entire cooling and forced induction system.

For premium class cars, such as the BMW G-series, using an OEM component is important not only for performance but also for the engine's refinement and the vehicle's predictable behavior over long-term operation.

Condition, verification, and preparation for installation

The offered item is in Used condition, meaning it has been removed from a vehicle and was previously in operation. Before being offered for sale, such a part is standardly verified for leaks, housing integrity, and the condition of the connection ports. As a result, the user receives a component ready for further operation in the cooling and forced induction system, without the need for additional structural modifications.

In the case of a water intercooler, it is crucial to maintain the patency of the flow channels and ensure there is no mechanical damage that could affect the circulation of the coolant or charge air. A used BMW OEM element allows you to combine these requirements with a more favorable purchase cost than a new part.

Technical support and additional materials

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other components from the same group, such as additional heat exchangers, cooling modules, or coolant hoses, check out the available parts in the BMW Water radiators category.

To better understand how high ambient temperatures affect the efficiency of the cooling system and why properly selected, used components can be economically advantageous, read our guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings. You will find practical tips on operating and servicing cooling systems in demanding conditions.