BMW N54/N55 E-Series Electric Water Pump Replacement DIY (Video)

Signs of N55 Water Pump Failure:

  • Engine overheating significantly – usually rapid over-heating once the pump fails
  • Cooling Fan running full speed (noisy)
  • Coolant boiling out of coolant cap

N55 CEL Codes for Failing Water Pump:

  • 2E81, 2E82, 2E83, 2E84, 2E85
  • 377A
  • Remember to check fuses

Replacement Part

Water Pump for E-series N55 - $389

Water Pump for F-Series N55 - $449


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