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Replacing front wheel bearings on BMW E46 320i (M52TUB20)

Posted: Tue Oct 01, 2024 11:41 am
by spinecki
Replacing front wheel bearings on BMW E46 320i (M52TUB20)

Tools needed:
  • Jack and jack stands
  • 32mm socket (for axle nut)
  • 17mm socket (for caliper bracket bolts)
  • 22mm socket (for hub bolts)
  • Torque wrench
  • Bearing puller
  • Bearing press or large socket for installation
Procedure:
  • Raise the vehicle and remove the wheel
  • Remove brake caliper and rotor
  • Remove the axle nut (32mm)
  • Remove the 4 hub bolts (22mm)
  • Use a bearing puller to remove the old bearing
  • Clean the hub and knuckle thoroughly
  • Press in the new bearing using a bearing press or large socket
  • Reassemble in reverse order
Torque specifications:
  • Axle nut: 290 Nm
  • Hub bolts: 110 Nm
  • Caliper bracket bolts: 110 Nm
  • Wheel bolts: 120 Nm
Note: Always replace bearings in pairs for even wear and handling.