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Home >> BMW >> 2021 >> X4 xDrive30i >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Coolant Lines & Heat Management Module -- Repair (G02) >> 11 53 Coolant Lines, Thermostat >> 11 53 015 Removing and installing/replacing heat management module (X4 M40i 2022-) >> Install heat management module

Install heat management module

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.
NOTE: TECHNICAL INFORMATION 
The sealing surfaces must be free of oil, grease and cleaning agents.
NOTE: RISK OF DAMAGE 
Damage to the surface. 
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage. 
  • Do not use any metal-cutting tools.
G14230061Courtesy of BMW OF NORTH AMERICA, INC.
G14230040Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Heat exchange module to crankcase 
M6 Tightening torque  9 Nm
G14230058Courtesy of BMW OF NORTH AMERICA, INC.
G14230057Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Grounding cable on the starter motor generator 
M8 tightening torque  19 Nm
G14230056Courtesy of BMW OF NORTH AMERICA, INC.

The coolant lines (1) and (2) must engage audibly.

G14230054Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Support to cylinder head 
M6X16 tightening torque  8 Nm
G14230411Courtesy of BMW OF NORTH AMERICA, INC.
G14230410Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work