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2002 BMW 525I
2.5L I6 M54•RWD•AUTOMATIC•gas•M54B25
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor497Torque2182Fluid8DTC1267Battery1Maintenance0Recalls4
P0523moderate severityPowertrain

Engine Oil Pressure Sensor/Switch High Input

on 2002 BMW 525i 2.5L I6 M54 · RWD

What this code means

High voltage from oil pressure sensor.

Symptoms

  • Very high oil pressure reading
  • Warning light on

Common causes

  • Open circuit
  • Short to power
  • Faulty sensor

Diagnostic steps

  1. Test with mechanical gauge
  2. Test circuit voltage
  3. Test sensor

Repair notes

Replace sensor if actual pressure is normal.

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