HomeBrake > Brake HydraulicsURO 34311157206 Brake Master Cylinder
Part #: 34311157206

URO 34311157206 Brake Master Cylinder

⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 325e, 325es, 325i, and 325is
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Brake Master Cylinder for BMW 3 Series

The URO brake master cylinder 34311157206 is designed specifically for BMW 325e, 325es, 325i, and 325is models. This component plays a critical role in your vehicle's braking system, ensuring consistent hydraulic pressure for safe and responsive braking performance.

  • Direct replacement for BMW 325e, 325es, 325i, and 325is models
  • OEM-quality construction for durability and reliability
  • Compatible with original brake hydraulics systems
  • Part number 34311157206 ensures precise fitment
  • Manufactured by URO, a trusted brand in automotive parts

Product Details and Compatibility

The URO brake master cylinder with part number 34311157206 is engineered to meet the specifications of BMW brake hydraulics systems. It is compatible with multiple BMW 3 Series variants including the 325e, 325es, 325i, and 325is, providing a direct fit without modification. This master cylinder is essential for converting driver brake pedal input into hydraulic pressure, which activates the brake calipers and drums. Using the correct master cylinder helps maintain proper brake fluid pressure and pedal feel, contributing to overall vehicle safety.

Common Applications and Problem Resolution

  • Restores proper brake pedal pressure and responsiveness
  • Eliminates brake fluid leaks from a worn or damaged master cylinder
  • Resolves spongy or sinking brake pedal issues
  • Prevents brake system failure due to hydraulic pressure loss
  • Ensures consistent braking performance for BMW 325e, 325es, 325i, and 325is

Installation Notes and Tips

When installing the URO brake master cylinder 34311157206, ensure the brake fluid reservoir is clean and free of contaminants. Bleed the brake system thoroughly after installation to remove air pockets and restore proper hydraulic pressure. It is recommended to inspect related brake components such as brake lines and calipers during replacement to maintain overall system integrity.

Quality Assurance and Warranty

URO manufactures this brake master cylinder to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details are not provided, URO parts typically come with a limited warranty against defects in materials and workmanship. Using a quality replacement part like the 34311157206 helps maintain the safety and functionality of your BMW 3 Series braking system.

This part fits 14 vehicles. Search below:

YearMakeModelBody TypePositionNotes
1993BMW325iConvertibleN/A
1992BMW325iN/A
1991BMW325iN/A
1991BMW325isN/A
1990BMW325iN/A
1990BMW325isN/A
1989BMW325iN/A
1989BMW325isN/A
1988BMW325iN/A
1988BMW325isN/A
1987BMW325eN/AProduction Date Range: From 05-1987
1987BMW325esN/AProduction Date Range: from 05/87
1987BMW325iN/AProduction Date Range: From 05-1987
1987BMW325isN/AProduction Date Range: From 05-1987

* 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:

072-855534 31 1 157 20634311157206537 06015 237M390239MC390080URO-002574

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