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Home >> BMW >> 2021 >> X4 M40i >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger -- Repair (G02) >> 11 65 Turbocharger >> 11 65 020 Removing and installing/replacing turbocharger (X4 M40i 2022-) >> Replace turbocharger

Replace turbocharger

Turbocharger with assembly sleeves 

G15979986Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Heavy component. 
Heavy components can lead to injury or damage. 
  • Remove and install heavy components with the aid of another person/other persons.
NOTE: RISK OF DAMAGE 
Damage of the electric wastegate valve controller. 
Excessive force when removing and installing a jammed turbocharger may damage the electric wastegate valve controller. 
  • Do not pull on the electrical wastegate valve controller or on the coupling rod.
  • Apply force only at the turbine housing and exhaust manifold.
  • Do not pull on the compressor housing.

When replacing the turbocharger: Remounting the oil feed line, coolant feed line and coolant return line 

NOTE: RISK OF DAMAGE 
Dry running due to insufficient initial filling of the turbocharger. 
Damage to the turbocharger. 
  • Be sure to do the initial filling when replacing the turbocharger.
  • Fill the turbocharger with the matching additive (see applicable BMW parts catalogue).
NOTE: RISK OF DAMAGE 
Contaminant or foreign body. 
Contamination can result in malfunctions, loss of function or leaks. 
  • Adhere to the utmost cleanliness.
  • Protect components from contamination e.g. by covering.
  • Close off line connections with seal plugs.
NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
G14296127Courtesy of BMW OF NORTH AMERICA, INC.
G14239450Courtesy of BMW OF NORTH AMERICA, INC.
G14296131Courtesy of BMW OF NORTH AMERICA, INC.

Initial filling with the additive when replacing the turbocharger 

NOTE: RISK OF DAMAGE 
Dry running due to insufficient initial filling of the turbocharger. 
Damage to the turbocharger. 
  • Be sure to do the initial filling when replacing the turbocharger.
  • Fill the turbocharger with the matching additive (see applicable BMW parts catalogue).
G14230315Courtesy of BMW OF NORTH AMERICA, INC.
CONSUMABLE SPECIFICATION

Turbocharger additive, gasoline MSP  17 ml, Tube 83192457276
G14295974Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Coolant return line/oil feed line to turbocharger 
M6 x 12 tightening torque  8 Nm
G14296132Courtesy of BMW OF NORTH AMERICA, INC.
TECHNICAL DATA SPECIFICATION

Screw-in depth of upper stud bolts on cylinder head 
Dimension A  30 mm
G14296371Courtesy of BMW OF NORTH AMERICA, INC.
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.
G14296372Courtesy of BMW OF NORTH AMERICA, INC.
G14296357Courtesy of BMW OF NORTH AMERICA, INC.
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.
G14294614Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Heavy component. 
Heavy components can lead to injury or damage. 
  • Remove and install heavy components with the aid of another person/other persons.
G14296375Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Exhaust manifold to cylinder head 
Flange nut M7 Replace flange nuts
1. Joining torque 
10 Nm
2. Joining torque  10 Nm
3. Joining torque  16 Nm
4. Joining torque  16 Nm
5. Joining torque  16 Nm
Fig 1: Exhaust Manifold Nuts Tightening Sequence
G14296377Courtesy of BMW OF NORTH AMERICA, INC.
G14296378Courtesy of BMW OF NORTH AMERICA, INC.
G14238486Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Coolant feed line to crankcase 
M6X12 tightening torque  8 Nm
G14238441Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Coolant feed line to crankcase 
M6X12 tightening torque  8 Nm
TIGHTENING TORQUES SPECIFICATION

Turbocharger support to crankcase 
M8 x 20
Replace screws.
Tightening torque  19 Nm
G14238442Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Turbocharger to support 
M8 x 25
Replace screw.
Tightening torque  19 Nm
G14294460Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Oil feed line for turbocharger to crankcase 
M6 x 12
Replace sealing ring.
tightening torque  8 Nm
G14294416Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Coolant return line holder to crankcase 
M6X12 tightening torque  8 Nm
G14294415Courtesy of BMW OF NORTH AMERICA, INC.
G14294412Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Heat shield to cylinder head 
M8X12
Replace screws.
tightening torque  19 Nm
G14294414Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Heat shield to cylinder head 
M8X12
Replace screws.
tightening torque  19 Nm
G14294413Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Heat shield to trim strip 
M6X16
Replace screw.
Tightening torque  8 Nm