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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 51 240 Remove and install/replace Module 2, sensor system engine wiring (X4 M40i 2022-2023) >> 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 

G15980648Courtesy 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

Differential pressure sensor to holder 
TS6X18 Tightening torque  3.5 Nm
G14230600Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Front ground cable to cylinder head 
M6 tightening torque  8 Nm
G14230597Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Electric coolant pump to holder 
M6 tightening torque  8 Nm
G14230573Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Electric coolant pump to holder 
M6 tightening torque  8 Nm
G15912177Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work