BMW 1 3 Series F20 F21 F30 LCI M140i 340i B58 Mechanical Coolant Pump 8632585

BMW F20 F21 F30 LCI M140i 340i B58 Coolant Pump is an original BMW part, designed for cooling systems in modern B58 engines. The used pump ensures a factory fit and allows for efficient replacement of a worn component without altering the system's construction.

Specifications and technical data

• SKU: 8632585
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8632585
• Substitutable numbers: 11518632585, 8632585, 1597820
• Category: Fuel Pumps & Sending Units

Application and Compatibility

The presented coolant pump for BMW is designed for F-series models with the B58 engine, including the M140i and 340i versions after the F20, F21, and F30 LCI facelift. Thanks to its OEM design, it maintains full compatibility with the factory cooling system, which facilitates installation and reduces the risk of fitment issues.

This component is particularly important in turbocharged engines, where stable operating temperature is crucial for the durability of the powertrain and maintaining power output. Replacing it with an original pump restores proper coolant circulation and minimizes the risk of overheating.

Construction and Operating Characteristics

The pump has been designed by the manufacturer for high flow efficiency and stable operation across a wide range of loads. The applied construction ensures:

• appropriately selected coolant flow rate for the B58 engine,
• compatibility with the factory control unit and engine accessories,
• maintenance of operating parameters in line with BMW specifications.

This allows the cooling system to maintain the correct operating temperature during both gentle driving and dynamic acceleration, which translates to stable performance and protection of engine components.

Benefits of Using an Original BMW Pump

Choosing an original BMW coolant pump offers a number of practical advantages compared to aftermarket alternatives of unknown origin. The most important include:

• Factory Fitment – no modifications required, compatibility with cooling system mounts and hoses.
• Stable Operating Parameters – maintaining the flow characteristics intended for the B58 engine.
• Integration with Other System Components – proper cooperation with the thermostat, radiator, and engine control unit.

This ensures a smooth installation process, and after replacement, predictable cooling system behavior can be expected, which is important for both daily use and more demanding driving.

Condition, Verification, and Part Selection

The pump is a used part from disassembly and is offered as a used BMW part. Such components are often chosen by users looking for a reasonable compromise between repair cost and maintaining original quality. Before installation, a standard check of system tightness and proper operation after engine start-up is recommended.

When selecting a pump, it is advisable to pay attention to the manufacturer's markings and reference numbers assigned to the specific engine and body configuration. If in doubt, it is helpful to compare with the removed part and verify using the OEM or vehicle VIN number to avoid compatibility issues.

More Knowledge about Fuel Systems and Pumps

Although the presented item belongs to the Fuel Pumps and Level Sensors category, in practice, when selecting parts for modern cars, various components are often analyzed simultaneously – from pumps to control elements. If you want to better understand how pumps, injectors, and fuel tanks work, as well as how to select components by OEM or VIN number, check out the guide: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. This is a practical source of knowledge that helps make informed service decisions.

Other BMW Fuel Pumps and Level Sensors

If you are also looking for other items in the BMW Fuel Pumps and Level Sensors category for your car, check out the BMW fuel pumps and level sensors available in our store. This will allow you to easily assemble the necessary components in one place, maintaining brand consistency and the technical specifications of the entire system.