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Wagner Brake BD126234E Disc Brake Rotor - Front
| Brand | Wagner Brake BD126234E |
|---|---|
| Position | Front |
| Construction | Full cast |
| Rust Resistant Coating | Yes |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Vented |
| Disc Finish | Directional |
| Height | 2.071 |
| Height | 52.6 |
| Material | Cast iron |
| Nominal Thickness | 0.980 |
| Nominal Thickness | 24.8 |
| Outside Diameter | 12.788 |
| Outside Diameter | 324.8 |
| Fits | BMW · 20 vehicles |
Corrosion-resistant coating. Helps protect the rotor from rust for longer-lasting appearance and performance.
Vented design. Promotes better heat management for more consistent braking performance.
Full cast construction. Cast iron build with a smooth surface and directional finish.
Cross-references Centric Parts 121.34052, Centric Parts 125.33138 and Raybestos Brakes 980096 for the same application. See all 11.
Wagner Brake BD126234E Front Rotor Overview
The Wagner Brake BD126234E is a front disc brake rotor built for BMW applications that call for a 325 mm diameter vented rotor. It uses a full cast, cast iron construction with a smooth surface and directional finish to support consistent braking performance and straightforward service replacement.
Compatible With BMW 328i, 330Ci, 330i, 330xi, and Z4 front brake applications, this rotor also features a rust resistant coating on the non-braking surface to help reduce corrosion where the rotor is exposed. The Wagner Brake BD126234E is a direct-fit replacement for drivers looking for a front rotor with OE-style dimensions and finish.
Key Features
- Part number: BD126234E
- Front disc brake rotor for select BMW models
- Full cast construction in cast iron
- Vented rotor design for front brake use
- Smooth braking surface with directional disc finish
- Rust resistant coating on the non-braking surface
- Outside diameter: 12.788 in. (324.8 mm)
- Nominal thickness: 0.980 in. (24.8 mm)
- Height: 2.071 in. (52.6 mm)
Detailed Description
Wagner Brake engineers this rotor for drivers who need a replacement front brake rotor with the correct size, vented construction, and corrosion protection. The smooth surface and directional finish support even pad contact, while the coated non-braking areas help limit rust buildup in exposed areas. For BMW 330Ci, 330i, 330xi, 328i, and Z4 front brake service, BD126234E provides the dimensions and construction expected for a proper rotor replacement. This part cross-references Centric Parts (e.g., 121.34052, 125.33138) for the same application.
Common Uses
- Replacing a worn front brake rotor on a BMW 330Ci, 330i, or 330xi
- Restoring braking smoothness after rotor scoring or uneven wear
- Addressing brake pulsation caused by rotor thickness variation
- Replacing a corroded front rotor on a BMW 328i or Z4
- Servicing a vented front rotor with OE-style dimensions
Installation Notes and Tips
Verify rotor diameter, thickness, and hub fitment before installation. This rotor is listed for front positions only and is specified for BMW applications with a 325 mm diameter rotor. Pairing the rotor with matching Wagner brake pads supports consistent pad-to-rotor contact during brake service. Confirm the vehicle’s wheel and brake configuration against the fitment notes before ordering.
Quality Assurance
Wagner Brake positions this rotor as a premium replacement built around performance, corrosion resistance, and ease of installation. The BD126234E is engineered to meet the dimensional and finish requirements of the listed BMW front brake applications.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2008 | BMW | Z4 | Roadster 3.0si | 3.0L | L6 | Front | — |
| 2007 | BMW | Z4 | Roadster 3.0si | 3.0L | L6 | Front | — |
| 2006 | BMW | 330Ci | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2005 | BMW | 330Ci | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2005 | BMW | 330i | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2005 | BMW | 330xi | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2004 | BMW | 330Ci | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2004 | BMW | 330i | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2004 | BMW | 330xi | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2003 | BMW | 330Ci | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2003 | BMW | 330i | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2003 | BMW | 330xi | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2002 | BMW | 330Ci | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2002 | BMW | 330i | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2002 | BMW | 330xi | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2001 | BMW | 330Ci | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2001 | BMW | 330i | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2001 | BMW | 330xi | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 2000 | BMW | 328i | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
| 1999 | BMW | 328i | — | — | — | Front | 5 Stud Wheel, with 325mm Diameter Rotor; Black E-Coat on non-braking surface to prevent rust and corrosion |
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