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2021 BMW I3
Range Extender•RWD•AUTOMATIC•hybrid
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Repairs0Labor318Torque3717Fluid6DTC2228Battery1Maintenance0Recalls0
CC-ID-33high severityPowertrain

Engine Problem, Reduce Engine Load

on 2021 BMW i3 Range Extender · RWD

What this code means

The engine management system has detected a fault and is limiting performance to prevent damage. Raised by the DME/engine control module.

Symptoms

  • Reduced engine power
  • Warning light on dashboard
  • Sluggish acceleration

Common causes

  • Faulty sensor (MAF, boost, etc.)
  • Turbocharger or boost fault
  • Fuel delivery problem
  • Wiring or connector fault

Diagnostic steps

  1. Read fault codes with diagnostic tool
  2. Inspect intake and boost system
  3. Check relevant sensors and wiring
  4. Test fuel pressure and delivery
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