Estimates last updated October 16, 2025

BMW 128i Clutch Slave Cylinder Replacement Cost

The average cost for a BMW 128i Clutch Slave Cylinder Replacement is between $168 and $214.

Labor costs are estimated between $61 and $90 while parts are priced between $107 and $125.
This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.

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Clutch Slave Cylinder Replacement

What is a clutch slave cylinder?

Hydraulic clutches use a clutch slave cylinder to operate the clutch when the clutch pedal is pressed. The slave cylinder also forces the clutch pedal to return to the raised position when released.

How does the clutch slave cylinder work?

The clutch pedal is a lever that increases the amount of force you apply. When the clutch is pressed, the master cylinder pushes fluid through the line, and into the slave cylinder on the other end. The slave cylinder pushes on the clutch fork, which disengages the clutch. When the clutch pedal is released, the clutch pushes the slave cylinder closed, forcing fluid back into the master cylinder, which lifts the clutch pedal and provides the force felt when pressing the clutch.

What are the symptoms related to a bad clutch slave cylinder?

If the clutch slave cylinder fails, the clutch pedal may float to the floor, and the vehicle may attempt forward motion with the vehicle stopped and in gear. The clutch will attempt to engage as the fluid escapes compression in the slave cylinder, normally through a leak. In most cases, the clutch pedal will have little to no effect on the clutch.

Can I drive with a clutch slave cylinder problem?

Driving a vehicle without a working clutch is only possible if the transmission is shifted improperly, and push-started at every stop. While this may save a few dollars on wrecker services, it can cost the replacement of the manual transmission. It is better to have the vehicle towed, than risk further damage.

BMW 128i Clutch Slave Cylinder Replacement Cost by Year

The average cost for a BMW 128i Clutch Slave Cylinder Replacement is between $168 and $214 but can vary from car to car.

BMW Clutch Slave Cylinder Replacement Cost Estimates

The average cost for a Clutch Slave Cylinder Replacement is between $168 and $214 but can vary from car to car.

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Fair Prices.

Get a fair price estimate on BMW 128i Clutch Slave Cylinder Replacement in your area - honored at RepairPal Certified locations.

Clutch Slave Cylinder Replacement

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What is a clutch slave cylinder?

Hydraulic clutches use a clutch slave cylinder to operate the clutch when the clutch pedal is pressed. The slave cylinder also forces the clutch pedal to return to the raised position when released.

How does the clutch slave cylinder work?

What are the symptoms related to a bad clutch slave cylinder?

Can I drive with a clutch slave cylinder problem?

The clutch hydraulic system, including the clutch master cylinder, clutch slave cylinder, and fluid lines, will need replacement sometime during the serviceable life of most vehicle's equipped with these systems. They wear out with use, but this typically takes well over 100,000 miles of use. For vehicle's used in city driving, the system will require much more maintenance over the life of the vehicle. Changing the clutch fluid according to the manufacturer specified intervals may help prevent premature failure of these components

How are clutch slave cylinder issues diagnosed?

Clutch slave cylinder failure is most evident when the slave cylinder fails to actuate properly, or pressure bleeds off while holding the clutch pedal. This means, that as the clutch pedal is held, the slave cylinder will slowly allow the clutch to engage, and the master cylinder is in good condition. Normally, a leaking clutch slave cylinder is a give-away. In most cases it is recommended to change the master cylinder at the same time, as slave cylinder failure may be an indication of overall system condition. It is much more economical to replace both during the same service.

How is a clutch slave cylinder replaced?

Replacing the clutch slave cylinder requires the fluid from the system is drained from the slave cylinder. Also, it is normally recommended to replace the clutch master cylinder at the same time. After draining the system of fluid, the slave cylinder and master cylinder will be removed from the vehicle, by disconnecting the slave cylinder from the transmission bell housing, and removing the master cylinder from the firewall. The clutch hydraulic line should be removed with the slave cylinder and clutch master cylinder. Once separated from the vehicle, the new components will be fitted, and the line replaced if necessary. Installation is the reverse of removal, and once the system is in place, the system must be bled of air, and tested.

RepairPal Recommendations for clutch slave cylinder issues

We recommend OEM quality or better replacement parts for the clutch hydraulic system. Inferior products can lead to repeated repairs, and result in greater costs in the future.

What to look out for when dealing with clutch slave cylinder issues

The clutch fork easily falls off of many transmissions when the clutch slave cylinder is removed. If the clutch fork is not properly installed, the clutch will not function properly, and damage may result to the clutch throw out bearing.

Can I replace the clutch slave cylinder myself?

This task is recommended to the DIYer who completely understands the clutch hydraulic system. If knowledge of this system is lacking, or the procedure for replacing, bleeding, and filling are not understood, this task should be trusted to a certified professional.