HomeTransmission > Manual Transmission ComponentsDorman CM640010 Clutch Master Cylinder
Part #: CM640010

Dorman CM640010 Clutch Master Cylinder

13 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 318i, 318is, 318ti, 325i, 325is, and M3
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Reliable Clutch Master Cylinder for BMW Manual Transmissions

The Dorman CM640010 clutch master cylinder is designed to provide consistent hydraulic pressure for smooth clutch operation. Engineered for BMW models including the 318i, 318is, 318ti, 325i, 325is, and M3, this component ensures precise clutch engagement and disengagement.

  • Bore diameter of 0.75 inches for accurate hydraulic performance
  • Standard replacement grade for dependable function
  • Includes clutch master cylinder unit only
  • Compatible with select BMW manual transmission systems

Product Details and Specifications

This clutch master cylinder features a 0.75-inch bore diameter, which is critical for maintaining proper hydraulic pressure within the clutch system. As a standard replacement part, it meets OEM specifications to restore clutch pedal feel and responsiveness. The Dorman CM640010 is specifically designed for manual transmission applications on BMW 318i, 318is, 318ti, 325i, 325is, and M3 models, ensuring compatibility and reliable operation.

Common Applications and Problem Resolution

  • Restores clutch pedal pressure and travel
  • Eliminates clutch engagement issues caused by master cylinder failure
  • Resolves hydraulic fluid leaks in the clutch system
  • Prevents clutch slippage due to insufficient hydraulic force
  • Addresses inconsistent clutch pedal feel or sponginess

Installation Notes and Tips

When installing the Dorman CM640010 clutch master cylinder, ensure the hydraulic system is properly bled to remove air pockets for optimal clutch performance. Verify compatibility with your specific BMW model and manual transmission setup before installation. Use appropriate tools to avoid damage to the bore and seals during replacement.

Quality Assurance and Warranty

Dorman manufactures this clutch master cylinder to meet industry standards for durability and performance. The CM640010 part is backed by Dorman's quality assurance processes, providing a reliable replacement option for BMW manual transmission clutch systems. Please consult Dorman's warranty policy for specific coverage details.

BrandDorman
Part NumberCM640010
Bore Diameter0.75
Item GradeStandard replacement
Package ContentsClutch master cylinder

This part fits 13 vehicles. Search below:

YearMakeModelPositionNotes
1995BMW318iN/ATo 10/94
1995BMW318isN/ATo 10/94
1995BMW318tiN/ATo 10/94
1995BMW325iN/ADrum brake wheel cylinder fitment note: 19mm bore size.
1995BMW325isN/ADrum brake wheel cylinder fitment note: 19mm bore size.
1995BMWM3N/ATo 10/94
1994BMW318iN/ADrum brake wheel cylinder fitment note: 19mm bore size.
1994BMW325iN/ADrum brake wheel cylinder fitment note: 19mm bore size.
1994BMW325isN/ADrum brake wheel cylinder fitment note: 19mm bore size.
1993BMW318iN/ADrum brake wheel cylinder fitment note: 19mm bore size.
1993BMW325isN/ADrum brake wheel cylinder fitment note: 19mm bore size.
1992BMW318iN/ADrum brake wheel cylinder fitment note: 19mm bore size.
1992BMW325isN/ADrum brake wheel cylinder fitment note: 19mm bore size.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

072-891413121136.3400821511162149350147CM126781CM1426CM250560CMA350147M0308M903286Q-04008

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.