Fix common BMW xDrive transfer case faults with this 2-piece servo actuator gear set compatible with BMW X3 E83, X5 E53/E70, and X6 E71 models. Direct replacement for OEM 27107566296 and 27107566250. Designed to resolve worn actuator gears causing 4x4, ABS, DSC warning lights, clicking noises, shuddering, or drivetrain faults. Suitable for ATC400, ATC500, and ATC700 transfer cases. Diagnostic calibration reset required after installation. .
