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Home >> BMW >> 2017 >> 430i 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Engine Electrical System - Repair (F32, F33 & F36) >> 12 31 Alternator >> 12 31 020 Removing and installing/replacing alternator (B58 6-Cyl. Engine) (4' Series Coupe/Convertible, 4' Series Gran Coupe Sedan) >> Removing the alternator

Removing the alternator

Preliminary work: 

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.
WARNING: Hot surfaces  .
Risk of burning! 
  • Perform all work only on components that have cooled down.
NOTE: RISK OF DAMAGE 
Electrostatic discharge  .
Damage to or destruction of electrical components  .
  • Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
  • Read and comply with user information on using the associated special tool 12 7 060.
  • Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
  • Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
  • For additional information see notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .
G12729231Courtesy of BMW OF NORTH AMERICA, INC.