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Home >> BMW >> 2025 >> X4 M >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System -- Repair (F98) >> 12 51 Engine Wiring Harness >> 12 51 240 Remove and install/replace Module 2, sensor system engine wiring >> 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 

G16271394Courtesy 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

Front ground cable to cylinder head
M6 tightening torque  8 Nm
G14927490Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Auxiliary coolant pump holder to cylinder head
M6 Tightening torque  8 Nm
G14927488Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Oxygen sensor bracket to cylinder head cover
Self-tapping screw
M6
Tightening torque  5.5 Nm
G14927330Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work