Wagner Brake MX946 Disc Brake Pad Set - Front

Wagner ThermoQuiet MX946 Front Brake Pads

Wagner Brake ThermoQuiet MX946 disc brake pads are built for front axle service on select BMW applications, including BMW X3, BMW Z4, and 330-series models. This front brake pad set uses a semi-metallic friction formula with zero-copper construction and Integrally Molded Insulator technology to support quieter braking performance.

ThermoQuiet Brake Pad Features

• Zero-copper friction formulation for modern brake system requirements
• Integrally Molded Insulator (IMI) technology for reduced brake noise
• Semi-metallic friction material for consistent stopping performance
• Slotted pad design to help manage heat and surface debris
• Chamfered edges for smoother pad engagement
• Pad shims included for added noise control
• Friction material thickness: 0.764 in. inner and outer
• FMSI number: 7592A-D946

Detailed Product Overview

The Wagner Brake ThermoQuiet MX946 is a front disc brake pad set engineered for OE-style replacement on BMW vehicles that call for the 7592A-D946 pad shape. It cross-references Monroe Shocks & Struts 172286 and 182286 for the same application. This part number, MX946, is a direct fit option for front brake service on BMW X3, BMW Z4, BMW 330Ci, BMW 330i, and BMW 330xi applications listed below.

ThermoQuiet is Wagner Brake’s product line focused on quieter operation through pad construction and insulator technology. For BMW X3 front brake pads or BMW 330i front brake pads, the MX946 combines slotted faces, chamfered edges, and included shims to support stable contact and noise reduction during everyday driving.

Vehicle Fitment

• Fits 2004-2010 BMW X3, front
• Fits 2006-2008 BMW Z4, front
• Fits 2001-2006 BMW 330Ci, front
• Fits 2001-2005 BMW 330i, front
• Fits 2001-2005 BMW 330xi, front

Common Brake Issues Addressed

• Front brake noise during light or moderate braking
• Uneven pad wear from worn or mismatched friction surfaces
• Reduced braking consistency from aged front pads
• Brake vibration or harsh engagement caused by worn pad edges
• Heat buildup and surface glazing in daily driving conditions

Installation Notes and Tips

Confirm the FMSI 7592A-D946 pad shape and verify front-position fitment before installation. Inspect rotors, caliper hardware, and guide pins during service, and replace worn components as needed to restore proper pad contact. Because abutment clips are not included, reuse or replace the vehicle’s existing hardware according to service condition and manufacturer procedure.

Quality Assurance

Wagner Brake ThermoQuiet MX946 is built with a zero-copper friction formulation and IMI noise-control technology for OE-style front brake service on supported BMW applications. The ThermoQuiet line is positioned for quieter braking performance and consistent pad construction.