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Home >> BMW >> 2021 >> X3 M40i >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System -- Repair (2 Of 2) (G01) >> 12 51 Engine Wiring Harness >> 12 51 240 Remove and install/replace Module 2, sensor system engine wiring (X3 M40i, 2018-2019) >> Installing the engine wiring harness for the sensor system 2

Installing the engine wiring harness for the sensor system 2

Engine wiring harness for sensor system 2 

G14298123Courtesy 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 connectors (1) must engage audibly.

G14298119Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Front ground cable to cylinder head 
Torx screw M6 Tightening torque  5.8 Nm
G14298117Courtesy of BMW OF NORTH AMERICA, INC.

The connectors (1) must engage audibly.

G14298112Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work