The BMW Part Brake Master Cylinder DSC 34311165544 is a critical component in the braking system of various BMW models, including the E38, E39, and E53 series. This part is responsible for converting the force applied to the brake pedal into hydraulic pressure, which is then transmitted to the brake calipers or drums to slow down or stop the vehicle. The master cylinder contains a piston and a reservoir of brake fluid; when the brake pedal is pressed, the piston moves, forcing fluid through the brake lines and activating the brakes.
The importance of the brake master cylinder cannot be overstated.
It ensures that the braking system functions correctly and safely, providing the driver with the necessary control over the vehicle’s speed. A malfunctioning master cylinder can lead to brake failure, which poses a significant safety risk. Regular inspection and maintenance of the brake master cylinder are essential to ensure the vehicle’s braking system remains reliable and effective.
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The BMW Part Brake Master Cylinder DSC 34311165544 is designed for vehicles equipped with Dynamic Stability Control (DSC). Here are the detailed design features and technical specifications:
Type: Brake Master Cylinder
Application: Vehicles with Dynamic Stability Control (DSC)
Compatibility: Fits BMW E38, E39, and E53 models
Part Number: 34311165544
Manufacturer: TRW (Original Equipment Manufacturer)
Weight: 2.20 pounds (approx. 0.99 kg)
Material: High-quality steel and rubber compounds for durability and performance
Dimensions:
Height: 7.5 inches (approx.
19.05 cm)
Width: 3.5 inches (approx. 8.89 cm)
Depth: 3.5 inches (approx. 8.89 cm)
Key Components:
Master Cylinder Body: Constructed from high-strength steel
Seals and Gaskets: Made from durable rubber compounds to ensure airtight sealing
Brake Fluid Reservoir: Integrated reservoir for efficient brake fluid management
Pistons: Precision-engineered pistons for smooth and consistent brake response
This part is a direct replacement for the original brake master cylinder and is designed to meet BMW’s stringent quality standards.
Jack and jack stands
Socket wrench set
Brake bleeder kit
Brake fluid (DOT 4 recommended)
Safety glasses and gloves
Rags and a container for brake fluid
Wear safety glasses and gloves to protect from harmful chemicals.
Work in a well-ventilated area to avoid inhaling brake fluid fumes.
Use jack stands to support the vehicle if it needs to be lifted.
Do not spill brake fluid on the paint of the car.
Refer to your vehicle’s shop manual for specific instructions and torque specifications.
Lift the vehicle using a jack and secure it with jack stands.
Remove the expansion tank to access the brake master cylinder.
Disconnect the vacuum hose from the brake booster.
Unfasten the brake lines from the master cylinder.
Remove the retaining bar and any other components obstructing access to the master cylinder.
Unbolt the master cylinder from the brake booster.
Carefully pull out the master cylinder from the brake booster.
Clean the area around the master cylinder mounting surface.
Install the new master cylinder, ensuring it is properly aligned.
Tighten the bolts to the specified torque.
Reconnect the brake lines and the vacuum hose.
Refill the brake fluid reservoir with fresh brake fluid.
Bleed the brake system to remove any air from the lines.
Avoid bending brake lines during removal and installation.
Use a brake bleeder kit to ensure proper bleeding of the system.
Check for brake fluid leaks after installation.
Test the brake pedal for proper feel and response before driving.
By following these steps and tips, you can ensure a successful installation of the BMW Brake Master Cylinder DSC 34311165544.
Routine maintenance practices for the BMW Brake Master Cylinder DSC 34311165544 include regular inspection of the brake fluid level and quality, ensuring there are no leaks in the brake lines or connections, and performing periodic bleeding of the brake system to remove any air bubbles. It is also important to replace the brake fluid according to the manufacturer’s recommended schedule, typically every two years or 24,000 miles, whichever comes first.
Common issues that may arise with the BMW Brake Master Cylinder DSC 34311165544 include a spongy or soft brake pedal, which indicates the presence of air or moisture in the hydraulic brake system. Other issues may include brake fluid leaks, which can lead to a loss of braking efficiency, and failure of the pressure sensor, which can trigger DSC (Dynamic Stability Control) fault codes.
Troubleshooting methods to resolve these issues include:
Bleeding the brake system: This involves using a brake bleeder to remove any air bubbles from the brake lines.
It is important to follow the correct bleeding procedure to ensure all air is removed from the system.
Checking for brake fluid leaks: Inspect the brake lines, connections, and the master cylinder itself for any signs of leaks. Replace any damaged or worn components as necessary.
Replacing the brake fluid: If the brake fluid is old or contaminated, it should be replaced with fresh fluid to ensure proper brake performance.
Inspecting the pressure sensor: If the DSC fault codes indicate a pressure sensor issue, the sensor may need to be replaced. Ensure that the new sensor is properly installed and that the brake system is bled again after installation.
By following these maintenance practices and troubleshooting methods, you can ensure the proper functioning of the BMW Brake Master Cylinder DSC 34311165544 and maintain the safety and performance of your vehicle.
The BMW Part Brake Master Cylinder DSC 34311165544 is a critical component of various BMW models’ braking systems, responsible for converting brake pedal force into hydraulic pressure to slow down or stop the vehicle. Its malfunction can lead to brake failure, posing a significant safety risk.
Regular inspection and maintenance are essential to ensure reliable and effective braking system performance. This part is designed for vehicles equipped with Dynamic Stability Control (DSC) and features high-quality steel and rubber compounds for durability and performance.
This part includes a master cylinder body, seals and gaskets, brake fluid reservoir, and precision-engineered pistons.
The installation process requires specific tools and safety precautions to avoid damage or injury. Routine maintenance practices include regular inspection of the brake fluid level and quality, checking for leaks in the brake lines or connections, and performing periodic bleeding of the brake system.
Common issues that may arise with this part include a spongy or soft brake pedal, brake fluid leaks, and failure of the pressure sensor, which can be resolved through troubleshooting methods such as bleeding the brake system, checking for leaks, replacing the brake fluid, and inspecting the pressure sensor.
