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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 51 235 Remove and install/replace Module 1, sensor system engine wiring (X3 M40i, 2018-2019) >> Installing the engine wiring harness for the sensor system 1

Installing the engine wiring harness for the sensor system 1

Engine wiring harness for sensor system 1 

G14298105Courtesy 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 TORQUES SPECIFICATION

Wiring harness section for sensor system 1 to cylinder head 
Screw M6 Tightening torque  8 Nm
G14298102Courtesy of BMW OF NORTH AMERICA, INC.

The cable clips (1) must engage audibly.

G14298100Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work