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Genuine BMW 2002 Brake Master Cylinder

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1 Brake Master Cylinder found

  • BMW 2002 Brake Master Cylinder - 34311113656
    Diagram for BMW 2002 Brake Master Cylinder - 34311113656
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    Product Specifications
    • Replaces: 34-31-1-103-456
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 1968-1976 BMW 2002

BMW 2002 Brake Master Cylinder

The BMW 2002 Brake Master Cylinder converts a depression of the brake pedal into firm hydraulic pressure, which allows the coupe to come to a confident stop. Housed in cast iron or aluminum, twin pistons slide in a smooth bore. A pushrod shoves them forward and compresses fluid, while a return spring snaps them back, with ports instantly replenishing each chamber. Fluid movement is maintained within the Brake Master Cylinder piston cup flex. Since 1967, every 2002 has a dual circuit so that each piston feeds its own loop, and braking can be done even if one side leaks. Two reservoir styles appeared. Early integral units share one metal body with the Brake Master Cylinder and close under a single bail-held cap, while later versions have an external plastic reservoir on top sealed by O-rings and threaded caps, which make level checks easy. The Brake Master Cylinder may rest on the firewall or, more frequently, on the front of the BMW vacuum booster, which places the Brake Master Cylinder close to the pedal force. Regular fluid changes deter moisture, which corrodes the bore and ruins seals, preventing a low pedal. Together, these characteristics make the Brake Master Cylinder reliable, compact, and true to BMW driving feel and assist the 2002 in stopping straight.

If you are looking for OEM BMW 2002 Brake Master Cylinder, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW 2002 Brake Master Cylinder that come backed by the manufacturer's warranty.

BMW 2002 Brake Master Cylinder Parts Questions & Experts Answers

  • Q:
    How to obtain and repair the Brake Master Cylinder on BMW 2002?
    Posted by Bela G.
    A:
    Obtain a repair kit specifically for the brake master cylinder fitted to your car, then remove the brake master cylinder and clean away all external dirt. If equipped with remote type servo units, withdraw the flexible bellows and pushrod from the rear end of the brake master cylinder. Apply a little pressure on the end of the brake master cylinder piston to unscrew and remove the stop screw, then extract the circlip from the end of the cylinder body and withdraw the secondary piston and allied components. The primary piston and components can be extracted after releasing the special screw; if any difficulty arises, apply air from a pump to one of the fluid outlet holes while sealing the others with plugs. Clean all components in hydraulic fluid or methylated spirit, keeping the parts in strict order for refitting. Examine the surfaces of the pistons and cylinder bores for scratches, scoring, or 'bright' wear areas; if any are observed, renew the cylinder completely. If the components are in good condition, discard all rubber seals and obtain the appropriate repair kit, manipulating the new seals into place using fingers only. Dip internal components into clean hydraulic fluid before reassembly.
    Answered by BMW Parts Specialist Koleman / Oct 24, 2024

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