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Home >> BMW >> 2021 >> X4 M40i >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System -- Repair (G02) >> 12 51 Engine Wiring Harness >> 12 51 245 Remove and install/replace transmission module engine wiring, (X4 M40i 2022-2023) >> 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 

G15980695Courtesy 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.
TIGHTENING TORQUE SPECIFICATIONS

Grounding cable/wiring harness section to transmission 
BM6 Tightening torque  8 Nm
G14230640Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Holder on the transmission 
Torx screw BM8
Replace screws.
Tightening torque  19 Nm
G14239929Courtesy of BMW OF NORTH AMERICA, INC.

Fastening the transmission 

TIGHTENING TORQUE SPECIFICATIONS

Transmission cross member to body 
M8 Tightening torque  19 Nm
G14205930Courtesy of BMW OF NORTH AMERICA, INC.
G11105250Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Cable bracket on rear cylinder head/transmission 
M6 x 20 Tightening torque  10 Nm
G14192475Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work