BMW G01 G02 G05 G06 G07 Engine Coolant Pump 3.0 Petrol M40i B58D B58B30B 8482251

BMW G01 G02 G05 G06 G07 Engine Coolant Pump 3.0 Petrol M40i B58D B58B30B is an original cooling system component designed for BMW B58 series petrol engines in M40i versions. Thanks to its factory design, it ensures stable engine operating parameters, supporting safe heat dissipation and maintaining the proper operating temperature. This is a solution for users who expect consistency with factory specifications and predictable engine behavior in daily operation.

Specifications and technical data

• SKU: 5B80829
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5B80829
• Substitutable numbers: 5B80829, 11515B80829, 11518482251, 8482251
• Fuel type: Petrol
• Category: Water Pumps

Purpose and role in the cooling system

The coolant pump is responsible for the forced circulation of coolant in the B58 petrol engine, which is crucial for maintaining a stable operating temperature. In BMW G01, G02, G05, G06, and G07 models with the 3.0 M40i unit, this component works with the radiator, thermostat, and hoses to create a coherent, efficient system. Using an original pump from the same product line allows for maintaining the factory flow parameters and operating characteristics intended by the manufacturer.

Benefits of using an original coolant pump

Using a coolant pump from the BMW Water Pumps group ensures:

• compliance with the factory cooling system design in the B58 engine,
• properly selected coolant flow characteristics for the M40i version,
• consistency with engine control maps and temperature management strategy,
• reduced risk of engine overheating during dynamic driving. For users who value technically correct fitment and predictable engine behavior, choosing an original coolant pump is a safer solution than random replacements with unknown characteristics.

Technical characteristics and compatibility

The presented coolant pump has been designed to work with the B58 petrol engine in the M40i version, used in selected G-series BMW models. This means it is matched to the specific architecture of the power unit, its cooling channels, and accessories. The component is prepared for operation in a petrol-powered system, where rapid load and temperature changes, typical for modern turbocharged units, are significant. Thanks to the preservation of the original geometry and mounting points, the pump can be integrated into the existing system without the need for structural modifications, which facilitates installation and reduces the risk of leaks. This is particularly important in the case of high-power density engines, where thermal stability has a direct impact on component durability.

Practical installation and operating tips

When replacing the coolant pump in a B58 engine, it is worth paying attention to:

• checking the condition of hoses and clamps in the cooling system,
• using the appropriate coolant in accordance with the manufacturer's recommendations,
• proper bleeding of the system after installation,
• verifying tightness after the engine has warmed up for the first time. Such an approach allows you to fully utilize the potential of the original coolant pump and reduce the risk of secondary failures related to overheating or air in the system.

Component condition and ecological aspect

The offered coolant pump is an aftermarket part, which represents a reasonable compromise between cost and maintaining factory construction quality. Choosing an original used part allows you to maintain high technical compatibility with the vehicle while reducing the consumption of resources needed to produce new components. For conscious users, this is a way to combine car maintenance with a more sustainable approach to operation. If you want to better understand why original aftermarket cooling system components are often a safer choice than the cheapest replacements, it is worth reading the article: Cooling system failure: why is an original used radiator a safer choice than a cheap replacement?. Additionally, if you are interested in the impact of using used parts on the environment and carbon footprint, the following post may be helpful: Sustainable automotive: how original used parts support ecology.

Expanding the cooling system in BMW

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional pumps, fluid circuit elements, or modules working with the cooling system, check the available parts in the BMW Water Pumps category.