BMW 3 5 7 X5 Series E38 E39 E46 E53 M57 Coolant Water Pump Mechanical 2354055

BMW 3 5 7 X5 Series E38 E39 E46 E53 M57 Coolant Water Pump Mechanical is an original cooling system component designed for M57 diesel engines in BMW 5, 7, 3, and X5 series models. Thanks to its factory OEM design, the pump ensures proper coolant circulation, stabilizing the engine's operating temperature and supporting its durability. It is a practical solution for users looking for a proven, compatible component for professional repair or replacement.

Specifications and technical data

• SKU: 7786192
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7786192
• Substitutable numbers: 11517786192, 7786192, 2354055
• Category: Other Interior Parts & Accessories

Purpose and function in the cooling system

The presented water pump is a cooling system component responsible for the forced circulation of fluid between the engine and the radiator. In M57 engines fitted in BMW E38, E39, E46, and E53 series, it is crucial for maintaining a stable operating temperature, which translates into smooth engine performance, reduced risk of overheating, and proper interaction with engine accessories.

Thanks to a design consistent with BMW factory standards, the pump maintains proper flow parameters and is matched to the thermal characteristics of M57 units, which facilitates installation and subsequent operation.

Compatibility with BMW models

The coolant water pump has been designed for use in popular BMW models with the M57 engine, such as:

• BMW 3 Series E46 generation with the M57 diesel unit,
• BMW 5 Series E39 generation with the M57 engine,
• BMW 7 Series E38 generation with the M57 unit,
• BMW X5 E53 generation with the M57 engine.

Choosing this pump as a replacement part allows you to maintain factory fitment for the powertrain and compatibility with engine accessories, without the need for any system modifications.

Product characteristics and application benefits

The offered water pump comes from the BMW group, which means it complies with the manufacturer's factory quality and design standards. The item was designed as an OEM part, thanks to which it:

• ensures proper pressure and efficiency of the coolant circulation,
• is matched to the mounts and geometry of the powertrain in M57 engines,
• facilitates installation in place of the factory pump without modifications.

The product is in used condition, which allows for economical repair while maintaining the original design. This solution is particularly beneficial when servicing older generations of BMW, where both proper system operation and rational maintenance costs are important.

Professional application and part selection

The coolant water pump for the M57 engine will work well both in workshops specializing in the BMW brand and for conscious users independently overseeing the service of their cars. Proper selection of the component for a specific model and engine version helps reduce the risk of leaks, improper accessory belt tension, or cooling system venting problems.

Due to the fact that the part has a dedicated OEM number and interchangeable numbers, precise verification of compatibility with a specific vehicle is possible, which is important when working with different M57 variants used in the 3, 5, 7, and X5 series.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as liquid pumps, cooling system components, or engine accessories, check out the available parts in the Other BMW category.

Technical support and additional information

When selecting components for diesel engines, it is worth paying attention to the design differences between individual engine versions and the specifics of the accessories. For users interested in comparing technical solutions used in different model lines, including sports variants, an article discussing the construction of engines, brakes, and chassis in premium cars may be helpful – details can be found in the material Audi RS vs other models – what is hidden under the hood and chassis?.

If you want to reduce the car's downtime in the workshop and want to better understand how a wide selection of used parts affects the speed of repairs, it is worth reading the guide how a wide assortment in one warehouse actually shortens your car's downtime at the mechanic, which shows the practical benefits of quick component availability.