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Home >> BMW >> 2021 >> X3 xDrive30i >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Engine Electrical System -- Repair (1 Of 2) (G01) >> 12 31 Alternator With Drive And Attachment >> 12 31 020 Removing and installing/replacing alternator (X3 M40i, 2018-2019) >> Installing the alternator

Installing the alternator

TIGHTENING TORQUES SPECIFICATION

Alternator on component carrier 
M10x75 tightening torque  38 Nm
M10x125 tightening torque  38 Nm
M10x90 tightening torque  38 Nm
G12729231Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Positive battery cable to the alternator 
M8 Tightening torque  19 Nm

The connector (2) must engage audibly.

G12729230Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work