Bosch 15010121 Disc Brake Rotor - Front

Bosch QuietCast Rotor for BMW Front Brakes

The Bosch QuietCast Rotor, part number 15010121, is a front disc brake rotor for select BMW 5 Series applications. It is built for 2001-2003 BMW 525i and 1997-2000 BMW 528i front brake service, with a product height of 2.992126 in for the specified fitment.

Key Features

• Bosch QuietCast Rotor line for front disc brake replacement
• Fits 2001-2003 BMW 525i, front
• Fits 1997-2000 BMW 528i, front
• Part number 15010121 for catalog and fitment matching
• Product height: 2.992126 in
• OE cross-reference: 34116767061

Product Details

Bosch QuietCast Rotor 15010121 is a front brake rotor application for BMW 525i and BMW 528i models listed above. The Bosch QuietCast Rotor line is positioned as a direct-fit brake service option for drivers replacing worn front rotors on these 5 Series vehicles. Use part number 15010121 when searching for a front rotor for 2001-2003 BMW 525i or 1997-2000 BMW 528i.

This part cross-references 34116767061 for the same application.

Common Brake Issues This Rotor Can Address

• Brake pulsation from rotor thickness variation
• Visible rotor wear or scoring on the front axle
• Brake noise caused by uneven rotor surfaces
• Reduced braking smoothness during everyday driving
• Front brake service needs on BMW 525i and BMW 528i models

Installation Notes and Tips

Confirm front axle fitment before ordering and match the rotor to the vehicle year and model listed in the fitment data. Inspect pads, caliper condition, and hub surfaces during brake service so the new rotor can seat properly. Always follow BMW service procedures and torque specifications during installation.

Quality Assurance

Bosch QuietCast Rotor 15010121 is backed by Bosch brand engineering and OE-style application coverage for the listed BMW front brake fitments. Verify the OE cross-reference and vehicle details before installation to ensure correct application.