LuK LMC109 clutch master cylinder for the 1985-1986 BMW 735i 6-cylinder 3.5L and other vehicles turns pedal movement into hydraulic pressure for the clutch release system. It is a new part that sits at the pedal end of that system.
- Integrated travel sensor where needed senses clutch pedal position for start-stop, electric parking brake, hill-start and speed control
- Peak torque limiter where required cuts hydraulic volume flow during sport driving to protect the powertrain from sudden starts
- Advanced materials and manufacturing techniques aimed at smooth, precise clutch engagement
- Aluminium construction
Quick facts
- Part: LuK LMC109 clutch master cylinder
- Fits: the 1985-1986 BMW 735i 6-cylinder 3.5L and other vehicles
- Material: Aluminium
- Condition: New
A clutch pedal that feels soft or sinks, fluid around the cylinder, or gears that are hard to select can mean the master cylinder is worn, though a worn slave cylinder or clutch can produce them too, so find the cause before you replace anything.
Fits
The vehicles it fits also include the 1978-1984 BMW 733i 6-cylinder 3.2L, the 1977-1979 BMW 320i 4-cylinder 2.0L and the 1980-1983 320i 4-cylinder 1.8L. The part is built to OE-level specifications for fit, form and function. Driving a different BMW year or engine? Look up your exact car in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 1
- Connector gender: Female
Build and materials
- Material: Aluminium
- Condition: New
- Country of origin: Germany
In the box
One clutch master cylinder with its push rod. This listing is one master cylinder, and each vehicle takes one. The reservoir, heat shield and clutch slave cylinder are not included; plan on a new heat shield, since the old one may not be reusable.
Installation notes
- Installation instructions come with the part.
- The cylinder is not pre-filled with fluid and the system is not pre-bled.
Interchange: 5110386100
Frequently Asked Questions
Does the LuK LMC109 fit a 1985-1986 BMW 735i 6-cylinder 3.5L?
Yes. LuK LMC109 fits the 1985-1986 BMW 735i 6-cylinder 3.5L, and also the 1978-1984 BMW 733i 6-cylinder 3.2L.
Does this clutch master cylinder come with a push rod and fluid?
Yes, the push rod is included. The cylinder is not pre-filled with fluid, and the reservoir, heat shield and clutch slave cylinder are not included.
What is the LuK LMC109 clutch master cylinder made of?
LuK LMC109 is made of aluminium, and its country of origin is Germany. It is a new part with a female connector.
Why does my clutch pedal feel soft or sink to the floor?
A soft or sinking pedal, fluid at the cylinder or hard shifting can mean the master cylinder is worn. Look for leaks with the engine off; a shop can test the hydraulics.
Does this LuK clutch master cylinder have a travel sensor?
Where needed, LuK builds in an integrated travel sensor that reads clutch pedal position for start-stop, hill-start and speed control. Where required, a peak torque limiter is built in as well.
