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2002 BMW M3
3.2L I6 S54•RWD•AUTOMATIC•gas•S54B32
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor498Torque3157Fluid8DTC1267Battery1Maintenance0Recalls5
P0731high severityPowertrain

Gear 1 Incorrect Ratio

on 2002 BMW M3 3.2L I6 S54 · RWD

What this code means

Incorrect gear ratio detected in 1st gear.

Symptoms

  • Slipping in 1st gear
  • Harsh 1-2 shift
  • No 1st gear

Common causes

  • 1st gear clutch pack worn
  • Shift solenoid issue
  • Valve body problem
  • Low line pressure

Diagnostic steps

  1. Check fluid
  2. Test shift solenoids
  3. Monitor gear ratio in 1st
  4. Check line pressure

Repair notes

Internal transmission service may be needed.

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