Genuine 34212282303 Disc Brake Rotor - Rear Left

Brand Genuine 34212282303
Position Rear Left
Fits BMW · 5 vehicles

OE direct replacement. Disc brake rotor for straightforward brake service.

$700.70Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Disc Brake Rotors are typically replaced in pairs, axle by axle.
Order total $700.70
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Rear Left Disc Brake Rotor for BMW

This Genuine disc brake rotor, part number 34212282303, is a direct-fit rear left brake rotor for select BMW applications. It is listed for 2006-2008 BMW Z4 and 2005-2006 BMW M3 models with the Competition Package and 328 x 20mm rear brake setup.

Key Features

  • Genuine OE replacement disc brake rotor
  • Rear left position
  • Fits 2006-2008 BMW Z4, rear left
  • Fits 2005-2006 BMW M3, rear left, 328 x 20mm; w/ Competition Package
  • Part number 34212282303 for application matching

Detailed Description

Use this Genuine brake rotor when replacing a worn or damaged rear left rotor on a BMW Z4 or BMW M3 with the listed brake configuration. The 328 x 20mm specification for the M3 application is important for proper rotor selection, and the rear left position ensures the correct side is matched during service. If you are searching for a BMW Z4 rear left brake rotor or a BMW M3 rear left disc brake rotor, part number 34212282303 identifies the correct OE-style component for the listed vehicles.

Common Issues This Part Can Address

  • Brake pulsation from rotor wear or thickness variation
  • Scoring or grooving on the braking surface
  • Corrosion or heat damage on the rear rotor
  • Noise caused by an uneven or compromised rotor surface
  • Incorrect rotor replacement on BMW Z4 or BMW M3 rear left applications

Installation Notes and Tips

Confirm the rear left position before installation and verify the brake size on the BMW M3 application is 328 x 20mm with the Competition Package. Compare the old rotor to part number 34212282303 to confirm the correct fitment before service. Brake system components should be inspected together so the new rotor is installed on a clean, properly prepared hub and matched to the vehicle’s existing brake setup.

Quality Assurance

Genuine parts are built to OE specifications for the listed BMW applications, supporting accurate fitment and service replacement. This part cross-references BMW OE part number 34212282303 for the same application.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2008BMWZ43.2LL6Rear Left—
2007BMWZ43.2LL6Rear Left—
2006BMWM3——Rear Left328 x 20mm; w/ Competition Package
2006BMWZ43.2LL6Rear Left—
2005BMWM3——Rear Left328 x 20mm; w/ Competition Package