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DuraGo BR34173 Disc Brake Rotor - Front
| Brand | DuraGo BR34173 |
|---|---|
| Position | Front |
| ABS Tone Ring Included | No |
| Center Hole Diameter | 3.11 |
| Center Hole Diameter | 79 |
| Construction | Full Cast |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Cross Drilled | No |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Discard Thickness | 0.8 |
| Discard Thickness | 20.4 |
| Material | Cast Iron |
| Mounting Bolt Hole Circle Diameter | 4.72 |
| Mounting Bolt Hole Circle Diameter | 120 |
| Mounting Bolt Hole Diameter | 0.58 |
| Mounting Bolt Hole Diameter | 14.7 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 0.87 |
| Nominal Thickness | 22 |
| Outside Diameter | 11.81 |
| Outside Diameter | 300 |
| Overall Height | 2.03 |
| Overall Height | 51.5 |
| Rust Resistant Coating | No |
| Slotted | No |
| Solid Or Vented Type Rotor | Vented |
| Fits | BMW · 28 vehicles |
Vented design. Helps promote airflow for more consistent braking performance.
Full cast construction. Cast iron rotor built for dependable strength and durability.
Professional-grade quality. Manufactured in ISO-certified factories to meet fit, form, and function requirements.
Cross-references Dorman - HELP 34173, Parts Authority PRT5469 and Raybestos Brakes 980011 for the same application. See all 10.
DuraGo BR34173 Front Brake Rotor
The DuraGo BR34173 is a front disc brake rotor built for BMW applications that call for a 300 mm vented, full cast rotor. It is engineered from cast iron and manufactured in ISO certified factories to support fit, form, and function requirements for the listed vehicles.
Key Features
- Part number BR34173
- Cast iron, full cast construction
- Vented rotor design for front brake use
- Outside diameter: 11.81 in. / 300 mm
- Nominal thickness: 0.87 in. / 22 mm
- Discard thickness: 0.8 in. / 20.4 mm
- Center hole diameter: 3.11 in. / 79 mm
- 5-bolt mounting pattern with 120 mm bolt circle
- Non-directional brake surface
- No cross drilling, no slots, no ABS tone ring
Detailed Description
DuraGo BR34173 is a conventional front brake rotor for BMW 323i, 328i, 328Ci, 325i, 325Ci, 325xi, Z3, and Z4 applications listed below. The rotor uses a vented, non-directional braking surface and full cast iron construction to match the dimensional requirements of the original brake setup. This part cross-references Raybestos Brakes 980011 for the same application.
Fits 2003-2008 BMW Z4, front. Fits 2001-2006 BMW 325Ci, front. Fits 2001-2005 BMW 325i, front. Fits 2001-2005 BMW 325xi, front. Fits 2001-2002 BMW Z3, front. Fits 2000 BMW 323i, front. Fits 2000 BMW 328Ci, front. Fits 1999-2000 BMW 328i, front.
Common Brake Issues This Rotor Addresses
- Front brake pulsation from rotor wear or thickness variation
- Brake noise caused by uneven rotor surface condition
- Reduced braking consistency from a worn or heat-cycled rotor
- Service replacement for rotors at or near discard thickness
- Restoration of proper front brake contact surface on BMW models
Installation Notes and Tips
Verify rotor diameter, center bore, bolt circle, and thickness before installation. Clean the hub mounting surface thoroughly to help prevent runout concerns, and inspect pads and caliper components at the same time. This rotor is a front application for the listed BMW models and should be matched to the vehicle’s brake specification before service.
Quality Assurance
DuraGo has over 45 years of aftermarket manufacturing experience, and its brake drum and rotor program is built for professional cataloging and application coverage. BR34173 is produced by ISO certified factories to meet fit, form, and function requirements for the specified BMW front brake applications.
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2008 | BMW | Z4 | Roadster 3.0i | — | — | — | Front | — |
| 2007 | BMW | Z4 | Roadster 3.0i | — | — | — | Front | — |
| 2006 | BMW | 325Ci | — | — | — | — | Front | — |
| 2006 | BMW | Z4 | Roadster 3.0i | — | — | — | Front | — |
| 2005 | BMW | 325Ci | — | — | — | — | Front | — |
| 2005 | BMW | 325i | — | — | — | — | Front | — |
| 2005 | BMW | 325xi | — | — | — | — | Front | — |
| 2005 | BMW | Z4 | 3.0i | — | — | — | Front | — |
| 2004 | BMW | 325Ci | — | — | — | — | Front | — |
| 2004 | BMW | 325i | — | — | — | — | Front | — |
| 2004 | BMW | 325xi | — | — | — | — | Front | — |
| 2004 | BMW | Z4 | 3.0i | — | — | — | Front | — |
| 2003 | BMW | 325Ci | — | — | — | — | Front | — |
| 2003 | BMW | 325i | — | — | — | — | Front | — |
| 2003 | BMW | 325xi | — | — | — | — | Front | — |
| 2003 | BMW | Z4 | 3.0i | — | — | — | Front | — |
| 2002 | BMW | 325Ci | — | — | — | — | Front | — |
| 2002 | BMW | 325i | — | — | — | — | Front | — |
| 2002 | BMW | 325xi | — | — | — | — | Front | — |
| 2002 | BMW | Z3 | — | — | 3.0L | L6 | Front | — |
| 2001 | BMW | 325Ci | — | — | — | — | Front | — |
| 2001 | BMW | 325i | — | — | — | — | Front | — |
| 2001 | BMW | 325xi | — | — | — | — | Front | — |
| 2001 | BMW | Z3 | — | — | 3.0L | L6 | Front | — |
| 2000 | BMW | 323i | — | Wagon | — | — | Front | — |
| 2000 | BMW | 328Ci | — | — | — | — | Front | — |
| 2000 | BMW | 328i | — | — | — | — | Front | — |
| 1999 | BMW | 328i | — | — | — | — | Front | — |
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