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Home >> BMW >> 2017 >> 530i >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Engine Electrical System - Repair (G30) (2 Of 5) >> 12 31 Alternator With Drive And Attachment >> 12 31 020 Removing and installing/replacing alternator (530i 2017-2022, 530i xDrive 2017-2022) >> Replacing the alternator

Replacing the alternator

CAUTION: Component with preload. 
Injury hazard! 
  • Reduce preload as far as possible before disassembly. Relieve component.
TIGHTENING TORQUES SPECIFICATION

Belt tensioner to alternator/starter motor generator
M8X30 Tightening torque  28 Nm
G12701016Courtesy of BMW OF NORTH AMERICA, INC.