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Home >> BMW >> 2017 >> 750i >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine - Repair (G12) >> 11 00 Engine >> 11 00 050 Removing and installing engine (740e xDrive PHEV 2017-2019) >> Remove the engine

Remove the engine

WARNING: High-voltage system. 
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock! 
WARNING: Car may slip off the vehicle hoist where components are supported. 
Danger! Immobilization period-threatening injuries! 
  • Secure the vehicle hoist against lowering and lifting.
  • Make sure that the vehicle does not lift off the mounting plates on the vehicle lift.
WARNING: Car may slip off the vehicle hoist if the weight is distributed unevenly. 
Danger! Immobilization period-threatening injuries! 
  • Ensure there is a specific weight compensation on the car.
WARNING: Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly. 
Danger! Immobilization period-threatening injuries! 
WARNING: Working on 12 V electrical system. 
Risk of short circuits! Risk of fire! 
  • Make sure that there is no charger  connected to the jump start terminal in the engine compartment.
  • Detach battery ground lead from battery.
  • For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
WARNING: Working on fuel system. 
Risk of fire! Danger of explosion! 
  • When working on the fuel system, make sure the workstation has sufficient ventilation, e.g., by means of extraction.
  • Tightly seal off open lines and connections; collect any leakage fuel directly at the point of exit.
  • No fire, sparks, open flames or smoking.
CAUTION: On releasing high pressure line, fuel may emerge at high speed. 
Injury hazard! 
  • Wear suitable personal protective equipment.
  • Before performing any installation work, allow cooling system to cool down to less than 40°C.
  • Note warnings on cylinder head cover.
NOTE: RISK OF DAMAGE 
Engine damage due to missing motor oil. 
Missing motor oil following replacement of the cylinder head or the engine can lead to damage on the valve train. 
  • After replacing the cylinder head or the engine, do not start the engine without observing the repair notes.
  • It is imperative you observe the repair notes for cylinder head or engine replacement.
  • For additional information, see: REPAIR NOTES FOR CYLINDER HEAD OR ENGINE REPLACEMENT .
NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
NOTE: TECHNICAL INFORMATION 
After replacing the motor or cylinder head: Reprogram or encode the digital motor electronics (DME) if necessary.
Read out the vehicle I-level and proceed accordingly.
Be absolutely certain to pay attention to PuMA measure 62634754.
For further information, see the applicable BMW parts catalogue.

Preliminary work 

G15125518Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect the positive battery cable from the front power distribution 

WARNING: Working on 12 V electrical system. 
Risk of short circuits! Risk of fire! 
  • Make sure that there is no charger  connected to the jump start terminal in the engine compartment.
  • Detach battery ground lead from battery.
  • For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
G12676205Courtesy of BMW OF NORTH AMERICA, INC.
G12700695Courtesy of BMW OF NORTH AMERICA, INC.

Releasing the engine support brackets on the left and right engine mounts 

Releasing the engine support brackets on engine mounts on left and right 

G14191090Courtesy of BMW OF NORTH AMERICA, INC.
G12700691Courtesy of BMW OF NORTH AMERICA, INC.