BMW E87 E90 E91 M47N2 Diesel Power Steering Pump 7692974

BMW E87 E90 E91 M47N2 Diesel Power Steering Pump is an original hydraulic system component designed for BMW diesel models. It ensures stable pressure in the steering system, which translates into precise vehicle handling and maneuvering comfort. Thanks to its factory design, the power steering pump works with other system components without the need for modifications.

Specifications and technical data

• SKU: 6768155-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6768155
• Substitutable numbers: 6768155, 32416768155, 4029151, 32414029151, 7692974
• Fuel type: Diesel
• Category: Power Steering Pumps

Purpose and compatibility with the M47N2 Diesel engine

The presented pump has been designed to work with Diesel power units, in particular the M47N2 engine used in the 1 Series E87 and 3 Series E90/E91. The pump's construction is adapted to the torque characteristics of a diesel engine, which allows for maintaining proper pressure in the power steering system at both low and high RPMs. As a result, the steering system maintains a predictable response, and the force required to turn the steering wheel remains at a comfortable level.

Construction and performance parameters

The pump belongs to the Power steering pumps category, meaning it is responsible for generating and maintaining operating pressure in the steering gear's hydraulic system. The OEM design ensures:

• stable operation across the full operating temperature range of the diesel engine,
• adequate performance under typical road loads,
• compatibility with the factory high-pressure hose and BMW steering gear.

By maintaining the original body geometry and connections, the installation of the pump in the engine bay is predictable and does not require bracket adaptations or changes to the hydraulic line routing.

Condition, origin, and benefits of using OEM parts

The offered pump comes from the BMW line, which means it adheres to factory manufacturing and fitment standards. As a used aftermarket component, it is an attractive cost-effective alternative to new parts while maintaining the manufacturer's original specifications. In practice, this means:

• reliable fitment with body mounts and engine accessories,
• compliance with the steering system operating parameters specified by BMW,
• the ability to utilize existing service points and installation procedures.

For workshops and individual users, this means reduced installation time and a lower risk of fitment issues typical of replacements with uncertain specifications.

Installation and operational tips

When replacing the power steering pump in an M47N2 diesel engine, it is recommended to:

• thoroughly flush the power steering system to remove contaminants from the previous pump,
• use fluid with the specification recommended by BMW,
• bleed the system after installation by turning the wheels in a controlled manner while the engine is running.

This approach helps reduce operating noise, minimize the risk of cavitation, and extend the service life of both the pump and the steering gear. If you have any doubts regarding the selection of the part based on the OEM number or interchangeable numbers, it is worth using data from the vehicle registration document or the vehicle VIN.

Technical support and educational materials

To better understand the relationships between diesel engine accessories and the supply system, it is worth consulting expert materials regarding diagnostics and component selection. Practical information on pump operation, selection methods based on OEM numbers, and operating principles can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, diagnostic procedures and best service practices.

If you are planning a comprehensive repair or upgrade of the steering system area in your BMW and need other components from the same group, such as hydraulic lines, steering gear, or fluid reservoir, check out the available parts in the BMW Power steering pumps category.