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Home >> BMW >> 2021 >> X3 xDrive30i >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> Engine Electrical System -- Repair (2 Of 2) (G01) >> 12 51 Engine Wiring Harness >> 12 51 245 Remove and install/replace transmission module engine wiring (X3 M40i, 2018-2019) >> Install the wiring harness section of the transmission wiring harness

Install the wiring harness section of the transmission wiring harness

Wiring harness section of transmission wiring harness 

G14298144Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: RISK OF DAMAGE 
Improper routing of cables and wiring harnesses. 
Trapped, crushed or damaged cables may cause short circuits and malfunctions. 
  • Route all cables without abrasions, do not trap and crush.

The connector (1) must engage audibly.

G14205931Courtesy of BMW OF NORTH AMERICA, INC.

» Fastening the transmission 

TIGHTENING TORQUES SPECIFICATION

Transmission cross member to body 
M8 tightening torque  19 Nm
G14205930Courtesy of BMW OF NORTH AMERICA, INC.
G14298136Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Wiring harness section for transmission to cylinder head 
M6x16 Tightening torque  8 Nm

Follow-up work