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Range ExtenderRWDAUTOMATIChybrid
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CC-ID-38moderate severityBody

Wrong Remote Key

on 2021 BMW i3 Range Extender · RWD

What this code means

The vehicle does not recognize the remote key being used for starting. Raised by the immobilizer/anti-theft system.

Symptoms

  • Engine will not start
  • Key not recognized message
  • Immobilizer active

Common causes

  • Unregistered or foreign key
  • Dead key battery
  • Key transponder fault
  • CAS/immobilizer module fault

Diagnostic steps

  1. Try a known valid key
  2. Replace key battery
  3. Read CAS/immobilizer fault codes
  4. Re-register key if needed

Other Body codes on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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