Centric 130.34203 Brake Master Cylinder

Overview of Centric Premium Brake Master Cylinder 130.34203

The Centric Premium Brake Master Cylinder 130.34203 is engineered for precise brake hydraulics performance, designed specifically for BMW 1 Series M and M3 models. This brake master cylinder offers reliable stopping power with durable aluminum construction and a stepped bore design.

• Aluminum master cylinder material for strength and corrosion resistance
• Plastic removable reservoir compatible with existing brake fluid systems
• Two mounting holes for secure installation
• Includes gasket or seal for leak prevention
• Dual outlet ports with M12-1.00 bubble flare threads
• Stepped bore design with primary bore diameter of 1.024 inches (26 mm) and secondary bore diameter of 0.866 inches (22 mm)
• Compatible with BMW 1 Series M and M3 brake systems

Detailed Product Description

This Centric Premium Brake Master Cylinder 130.34203 is part of the Centric Premium Brake Master Cylinders line, known for meeting or exceeding OEM specifications. The aluminum construction ensures durability and resistance to corrosion, while the plastic reservoir material is designed to be removable, allowing for easier maintenance. The master cylinder features a stepped bore design, which optimizes hydraulic pressure distribution between the primary and secondary circuits. Both outlet ports have M12-1.00 bubble flare threads, ensuring compatibility with standard brake lines on BMW 1 Series M and M3 vehicles. The included gasket or seal helps maintain a secure, leak-free connection during operation.

Applications and Problem Solving

• Restores proper brake hydraulic pressure in BMW 1 Series M and M3 models
• Replaces worn or damaged master cylinders causing brake pedal sponginess or failure
• Addresses brake fluid leaks due to faulty seals or master cylinder wear
• Improves brake system reliability and responsiveness
• Suitable for vehicles requiring a stepped bore master cylinder with dual outlet ports

Installation Notes and Tips

• Compatible with BMW 1 Series M and M3 brake systems; verify fitment before installation
• Mounting hardware, brake booster, reservoir, push rod, and master cylinder cap are not included and must be reused or sourced separately
• Ensure proper bleeding of brake lines after installation to remove air and maintain brake performance
• Use the included gasket or seal to prevent leaks at mounting points
• Check outlet thread sizes (M12-1.00 bubble flare) for compatibility with existing brake lines

Quality Assurance and Warranty

Centric Premium Brake Master Cylinders are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 130.34203 undergoes rigorous testing to comply with OEM specifications for BMW brake hydraulics. Warranty coverage details should be confirmed with the original product documentation or supplier.