BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 LCI B48 Electric Water Pump 9147359

The BMW F20 F30 B48 Auxiliary Water Pump is an original part from the Water Pumps category, designed for the cooling system of modern BMW F-series units. This used OEM part ensures proper coolant flow parameters, maintaining the factory operating characteristics of the B48 engine. It's a solution for users who expect a proven, factory-compliant design within a reasonable budget.

Specifications and technical data

• SKU: 9147359
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9147359
• Substitutable numbers: 64116834917, 6834917, 64119147359, 9147359, A0005001486, 84109355549, 9355549
• Category: Water Pumps

Purpose and Function of the BMW Auxiliary Water Pump

The auxiliary water pump in the B48 engine is responsible for assisting coolant circulation under specific operating conditions of the powertrain. In BMW F20 and F30 vehicles, it is used, among other things, for:

• stabilizing engine operating temperature under variable load,
• assisting in cooling components that work with the powertrain,
• maintaining adequate coolant flow after engine shutdown (depending on vehicle configuration).

By retaining the original design, the pump works with the factory control system and cooling system, which reduces the risk of compatibility issues.

Benefits of Using an Original BMW Water Pump

Using an original auxiliary water pump in the BMW F20/F30 with a B48 engine allows for maintaining cooling system operating parameters in line with the manufacturer's specifications. Key benefits include:

• Factory Fitment for the cooling system and engine bay mounting points,
• correct interaction with the vehicle's electronics and temperature control strategy,
• reduced risk of overheating components working with the engine,
• maintaining stable powertrain operation across a wide range of loads.

A used OEM part is a particularly beneficial solution where compliance with factory specifications and predictable cooling system behavior are paramount.

Selection by OEM Number and Interchange Numbers

This BMW auxiliary water pump has a dedicated OEM part number and assigned interchangeable numbers, which facilitates unambiguous identification of the component. When selecting, it is recommended to compare the markings with the currently installed pump or verify using the VIN in the manufacturer's catalog. This allows for precise confirmation of compatibility with a specific version of the BMW F20 or F30 with a B48 engine.

If in doubt, it is advisable to consult with a mechanic or the technical department, providing the OEM part number and available reference numbers – this helps avoid installing an incorrect pump variant.

Condition, Installation, and Operation

The offered BMW auxiliary water pump comes from the secondary market, meaning it is a used part. This type of part is particularly suitable for vehicles where maintaining the cooling system's functionality while keeping service costs reasonable is a priority. Before installation, a standard cooling system check is recommended (hose tightness, fluid condition, bleeding).

Professional installation allows for full utilization of the pump's capabilities and reduces the risk of subsequent leaks or system malfunctions. It is also important to ensure proper system bleeding after replacement, in accordance with BMW service procedures.

More BMW Water Pumps and Technical Knowledge

If you are looking for other BMW Water Pumps for your car, check out the BMW water pumps available in our store to select a part that perfectly matches your specific model and engine version.

When planning comprehensive service work, it is also worth understanding the dependencies between the cooling system and engine power supply. An article describing the diagnostics and selection of fuel system components may be helpful, available here: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. This will make it easier to plan a cohesive engine service scope, covering both cooling and fuel supply.