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Home >> BMW >> 2023 >> 230i >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System -- Repair (G42) >> 12 31 Alternator >> 12 31 020 Removing and installing/replacing alternator (230i, 230i xDrive) >> Installing the alternator

Installing the alternator

WARNING: Working on 12 V electrical system  .
Risk of short circuits! Risk of fire! 
  • Make sure that there is no charger  connected to the jump start terminal in the engine compartment.
  • Detach battery ground lead from battery.
  • For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.

Follow-up work