BMW E90 E91 E92 E93 Power Steering Loop Oil Cooling Cooler Line 7795456

BMW E90 E91 E92 E93 Power Steering Loop Oil Cooling Cooler Line is an original component from the Power steering pumps group, designed for the 3 Series E9x generation models. It ensures stable heat dissipation from the power steering fluid, which translates into predictable steering system operation and driving comfort for your BMW.

Specifications and technical data

• SKU: 7795456
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7795456
• Substitutable numbers: 7795456, 17217795456
• Category: Power Steering Pumps

Function of the power steering cooler in BMW E90–E93

The power steering cooler in the E90, E91, E92, and E93 series is responsible for maintaining the proper temperature of the fluid in the steering system. It limits the overheating of the working medium, stabilizes pressure, and supports the smooth operation of the pump and steering gear.

A functional component of this type helps minimize:

• drops in steering performance under high system load,
• the risk of cavitation and fluid foaming,
• accelerated wear of the pump and pressure hoses.

Design and fitment for the BMW E9x series

The power steering cooler is structurally adapted to the front-end architecture of the BMW 3 Series E90, E91, E92, and E93, ensuring proper hose routing and collision-free placement relative to other radiators and auxiliary components. The precise positioning of the connection ports facilitates installation and reduces stress on the hydraulic lines.

As a component from the Power steering pumps group, it works with the factory BMW steering system, maintaining the flow and cooling parameters specified by the vehicle manufacturer.

Condition, verification, and application

The offered cooler is a dismantled part and is marked as a used original BMW part. This type of component is a popular choice during steering system service when leaks, mechanical damage to the cooler, or damage following a front-end collision occur.

Before installation, it is recommended to:

• check the system for leaks and the condition of the hoses,
• replace the power steering fluid with fresh fluid that meets BMW specifications,
• check the operation of the power steering pump and steering gear after bleeding the system.

Benefits of using an original power steering cooler

Using an original power steering cooler in the BMW 3 Series E9x allows you to maintain the factory operating parameters of the steering system. This solution is particularly beneficial for drivers who expect predictable vehicle behavior, proper steering feel, and a reduced risk of pump failure over the long term.

Selecting the component according to the vehicle manufacturer's markings and the OEM part number facilitates verification of compatibility with a specific body and engine version, which is essential for professional BMW vehicle service.

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, fluid reservoirs, or additional cooling elements, check out the available parts in the BMW Power steering pumps category.

To better understand the principles of selecting and diagnosing hydraulic components and other power supply subassemblies in a car, it is worth reading the guide on our blog: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. Additionally, when purchasing dismantled components, the article No more bad purchases! How to professionally select used car parts, saving time and nerves may be helpful, where you will find practical tips on verifying compatibility by OEM numbers and vehicle model.