GM 5-Speed Automatic Gearbox Failure
SeriousGearbox & TransmissionThe 5-speed GM automatic used in early 3.0d models is notoriously weak and often fails under the weight and torque of the X5.
Slipping between gears, Harsh engagement of Drive or Reverse, "Trans. Fail-safe" message on the dash
- Check the transmission fluid for a burnt smell or metallic particles
- Ensure shifts are smooth during a cold test drive
- Verify if the gearbox has been rebuilt or replaced with an upgraded unit