Electric Parking Brake Actuator Drive Gear – BMW 40 Teeth | OEM 34436782755Electric Parking Brake Actuator Drive Gear BMW 40 Teeth OEM 34436782755 Fix Failed Electric Parking Brake on Your BMW Replace the Actuator Drive Gear (40 Teeth). The drive gear inside the BMW EPB (electric parking brake) actuator wears with use causing the parking brake to stop engaging or releasing reliably. A new OEM actuator costs $200$400+. This replacement gear (40 teeth) rebuilds the existing actuator at a fraction of that cost. Why Replace Just

Is this a complete assembly or the valve only

5 TDI Pump

This complete repair kit replaces all internal seals — restoring correct pump operation

N47S1 and B47

038103475N

Replacement

the electric handbrake stops responding correctly — with fault codes and warning lights

51717169420 / 51717169421

Targets the exact repair intent for 11617531423

inconsistent seat airflow or temperature regulation

Risk of swirl flap detachment and internal engine damage

System: DISA / intake manifold runner control