Bosch 15010055 Disc Brake Rotor - Front

BMW Front Brake Rotor Replacement

Bosch QuietCast Rotor 15010055 is a front disc brake rotor for select BMW applications. It is listed for BMW 325i, BMW Z4, and other E46-era models, giving buyers a direct fitment reference for front brake service.

Key Features

• Front disc brake rotor for select BMW applications
• Bosch QuietCast Rotor line for OE-style brake service
• Product height: 2.027559 in
• Fits BMW 325i, BMW Z4, BMW 325Ci, BMW 325xi, BMW 320i, BMW Z3, BMW 323Ci, BMW 323i, BMW 328Ci, and BMW 328i front applications

Detailed Description

Bosch 15010055 is a front brake rotor built for BMW models that use the QuietCast Rotor application. Fitment includes 2001-2005 BMW 325i front, 2003-2007 BMW Z4 front, and 2001-2006 BMW 325Ci front, along with additional BMW 3 Series and Z Series coverage. The Bosch QuietCast Rotor line is positioned as an OE-style brake replacement option for drivers servicing BMW front brake systems.

This part cross-references BMW 34116864058 for the same application.

What It Helps Address

• Brake pulsation from a worn or uneven rotor surface
• Reduced braking consistency during routine front brake service
• Rotor replacement needs on BMW E46 and Z Series front brake systems
• Fitment matching for BMW 325i, BMW Z4, and related models

Installation Notes and Tips

Confirm front axle fitment against the vehicle application before installation. Inspect pads, caliper condition, and hub surface during rotor replacement to help maintain even braking performance. Verify rotor dimensions and application notes for the specific BMW model and year.

Quality Assurance

Bosch QuietCast Rotor parts are built for OE-style brake service and application-specific fitment. Bosch part number 15010055 is cataloged for direct replacement use in the listed BMW front brake applications.