BMW 1 3 5 series E52 E53 E81 E84 E87 E90 E91 Clutch Master Cylinder 6758822

BMW 1 3 5 series E52 E53 E81 E84 E87 E90 E91 Clutch Master Cylinder is an original BMW drivetrain component designed to work with the clutch pedal in selected E-series models. It enables precise control of clutch disengagement, which translates into smoother gear changes and stable operation of the entire drivetrain. This is a practical solution for users who want to restore proper clutch operation without interfering with the vehicle's design.

Specifications and technical data

• SKU: 6758822
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6773670
• Substitutable numbers: 21526773670, 6773670, 21526752146, 21526756747, 21526758822, 21521163899, 6752146, 6756747, 6758822, 1163899
• Category: Other Interior Parts & Accessories

Purpose and function of the clutch master cylinder

The clutch master cylinder in BMW E52, E53, E81, E84, E87, E90 models is responsible for the hydraulic transfer of force from the pedal to the slave cylinder. A properly functioning component ensures:

• a repeatable clutch pedal engagement point,
• stable pressure in the hydraulic system,
• more predictable gearbox operation when starting and shifting gears.

By maintaining the factory design of the hydraulic system, installing this master cylinder allows you to keep the clutch operating characteristics consistent with the vehicle manufacturer's specifications.

Original origin and reference numbers

The presented clutch master cylinder is a BMW OE component, which means it complies with factory quality and fitment standards. The part has a dedicated OEM number and a set of interchangeable numbers, which facilitates verification of compatibility with a specific engine version and model year. This allows for precise selection of the component for the existing system, minimizing the risk of installation issues.

In the technical specification description, you will find a full list of reference numbers that allow you to verify the compatibility of the master cylinder with your car before purchasing.

Condition, installation, and service application

The clutch master cylinder is offered as a used original component, which is a reasonable compromise between repair costs and maintaining the factory design of the system. This type of part is particularly useful in situations where:

• the clutch pedal operates unevenly or sinks,
• there are problems with bleeding the clutch system,
• it is necessary to replace a worn master cylinder during other service work within the gearbox area.

The master cylinder is installed in the factory location, using standard mounting points and hydraulic lines. With proper selection for the vehicle model, there is no need to modify the installation.

Benefits of using an original BMW clutch master cylinder

Using an original clutch master cylinder in a BMW hydraulic system allows you to maintain:

• consistency of clutch operating parameters with other drivetrain components,
• factory fitment to the pedal, slave cylinder, and lines,
• appropriate pedal pressure characteristics, which is important in daily use.

For users who plan to operate the vehicle for a longer period, choosing an original component is beneficial in terms of system predictability and ease of subsequent diagnostics.

System expansion and additional materials

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other elements from the same group, such as a slave cylinder, hydraulic lines, or a clutch pedal, check the available parts in the Other BMW category.

To compare the characteristics of sports drivetrains and braking systems with solutions used in production cars, you can use the guide material Audi RS vs other models – what is hidden under the hood and chassis?, which helps to better understand the relationships between engine power, the drivetrain, and service components.