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Home >> BMW >> 2021 >> M440i xDrive >> Repair and Diagnosis >> Electrical >> Gauges >> Engine Electrical System -- Repair (G22, G23 & G26) (2 Of 2) >> 12 51 Engine Wiring Harness >> 12 51 210 Replacing the wiring harness section for injectors and ignition coils (M440i and M440i xDrive coupe/convertible/Gran Coupe sedan) >> Install the wiring harness section for the ignition and injectors

Install the wiring harness section for the ignition and injectors

Wiring harness for the injectors and ignition coils 

G15545236Courtesy 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 SPECIFICATION

Ground cable to rail
M6 tightening torque  5 Nm
G14230507Courtesy of BMW OF NORTH AMERICA, INC.
G14230504Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work