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Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Engine Electrical System -- Repair (1 Of 2) (G01) >> 12 41 Starter With Attachment >> 12 41 020 Removing and installing/replacing starter motor (X3 4-cyl. models, except PHEV) >> Installing starter motor

Installing starter motor

Installing the starter motor for vehicles with rear-wheel drive 

G14298040Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Starter motor to crankcase
M8x60 Tightening torque  19 Nm
G14308822Courtesy of BMW OF NORTH AMERICA, INC.
G14308821Courtesy of BMW OF NORTH AMERICA, INC.

Parts:  Christmas Tree clip

G14308819Courtesy of BMW OF NORTH AMERICA, INC.
G14308818Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Terminal 50 to starter motor
M6 Tightening torque  7.5 Nm
G14308815Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Battery positive lead to starter
M8 Tightening torque  13.5 Nm
G14308817Courtesy of BMW OF NORTH AMERICA, INC.

The connector (2) must engage audibly.

G14296519Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Improper routing of the positive battery cable. 
Risk of short circuits! 
  • Route the positive battery cable without abrasions and do not trap.
G14192404Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Terminal 50 to starter motor
M6 Tightening torque  7.5 Nm

Follow-up work