BMW E60 E61 E81 E87 E90 E91 Oil Power Steering Fluid Tank Bottle 1097164

The BMW E81 E87 E90 Mini R50 Power Steering Fluid Reservoir is an original BMW Group component designed for power steering systems. Its factory design ensures proper oil circulation and storage, contributing to stable power steering pump operation and comfortable vehicle handling. This is a practical solution for users seeking a part tailored to the specific needs of BMW 1 Series, 3 Series, and Mini models.

Specifications and technical data

• SKU: 1097164
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1097164
• Substitutable numbers: 32416851217, 6851217, 32411124680, 1124680, 32411097164, 1097164, 32412227264, 2227264, 32410141426, 0141426, 65209226882, 9226882
• Category: Power Steering Pumps

Purpose and Role in the Power Steering System

The BMW E81 E87 E90 Mini R50 Power Steering Fluid Reservoir operates in conjunction with the power steering pump, responsible for storing and filtering the working fluid. A correctly selected reservoir:

• stabilizes pressure in the power steering system during pump operation,
• limits oil aeration, reducing the risk of noise and vibrations at the steering wheel,
• supports smooth operation of the steering gear across the full steering range.

Thanks to its design conforming to manufacturer requirements, this component works seamlessly with the factory power steering pump, maintaining the parameters intended for specific BMW and Mini models.

Compatibility and OEM Identification

The presented reservoir belongs to the power steering pump category and is part of the original BMW hydraulic system. Identification is based on the OEM part number and associated replacement numbers, which simplifies selecting the correct component for a specific body version and engine.

This solution allows for:

• precise fitting of the reservoir to the steering system without modifications,
• maintaining the factory mounting geometry and connection ports,
• reducing the risk of leaks resulting from the use of unsuitable aftermarket parts.

It is advisable to compare the OEM number and reference numbers with your vehicle's data before purchasing to ensure full compatibility with the existing installation.

Product Characteristics and Condition

The offered power steering fluid reservoir is an original BMW part in used condition. This means it comes from a dismantled vehicle, and its construction and geometry match the manufacturer's factory standards. This type of part is particularly attractive to users who want to maintain the consistency of the hydraulic system with OEM solutions, avoiding random replacements of uncertain origin.

A used reservoir offers a sensible compromise between cost and functionality – with proper installation and the use of appropriate power steering fluid, it allows for continued, trouble-free operation of the steering system.

Benefits of Using an Original BMW Reservoir

Using a factory power steering fluid reservoir brings a number of practical benefits:

• Mounting Compatibility – maintaining original mounting points and connection diameters simplifies installation and servicing.
• Consistency with the Power Steering Pump – the reservoir is designed to work with the BMW hydraulic system, supporting stable operating pressure.
• Safe Steering System Operation – proper oil circulation reduces the risk of pump seizure and excessive wear of the steering gear.
• Optimized Repair Costs – choosing a used OEM part allows for lower service costs while maintaining factory design.

BMW Power Steering Pumps – Selecting Other Components

If you plan to replace other hydraulic components, such as hoses or the pump itself, during servicing, it is worth considering selecting other BMW power steering pumps from the same product group. Check out the BMW power steering pumps available in our store to complete the entire system based on structurally compatible parts.

Technical Support and Knowledge of Fluid Systems

Although the presented reservoir operates in the power steering system, many principles regarding the selection and operation of hydraulic components are similar to those in other vehicle systems. If you want to better understand how fluid-powered systems work, how to select components by OEM numbers, and how to ensure their durability, check out the guide “Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair”, where you will find practical tips on diagnostics and operation.

Why Choose a Used OEM Part

For many BMW and Mini vehicle owners, choosing a used, original power steering fluid reservoir is a conscious service decision. It allows for a combination of:

• maintaining factory quality of workmanship,
• favorable repair costs compared to new parts,
• certainty of fit for a specific model.

If you want to learn more about how to wisely buy used components and what to look for when choosing them, the guide “Used Parts – Your Guide to the Best Deals in the Automotive Store” will be helpful, discussing practical aspects of purchasing and operating such items.