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11 00 050 Remove and install engine (N52T)

Special tools required: 

IMPORTANT: Aluminum-magnesium materials.
No  steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminum screws/bolts exclusively.
Aluminum screws/bolts must be replaced each time they are released  .
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminum screws/bolts are not magnetic. 
Jointing torque and angle of rotation must be observed without fail (risk of damage)  .

Necessary preliminary tasks: 

To remove or refit the engine, the towing hook 72 15 8 108 670 is required.

Fig 1: Identifying Towing Hook (72 15 8 108 670)
G04751010Courtesy of BMW OF NORTH AMERICA, INC.

Fold back cover (1).

Release nut underneath. Remove positive battery cable from positive battery connection point.

Tightening torque: 12 42 3AZ .

Fig 2: Identifying Back Cover
G09943581Courtesy of BMW OF NORTH AMERICA, INC.

Support engine with special tool 11 7 310 on steering box.

Fig 3: Identifying Special Tool (11 7 310) On Steering Box
G04754746Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach fuel and tank ventilation lines (1).

Fig 4: Identifying Fuel And Tank Ventilation Lines
G06174570Courtesy of BMW OF NORTH AMERICA, INC.

Seal fuel lines with special tool 13 5 280 .

Fig 5: Identifying Seal Fuel Lines
G06904513Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (2, 3).

Disconnect pressure and intake pipes from air conditioning compressor.

Installation note: 

Replace all sealing rings and moisten with refrigerant oil.

Tightening torque: 64 53 7AZ .

Fig 6: Identifying Intake Pipe Screws
G09918989Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew left and right engine mounts.

Fig 7: Identifying Engine Mount Nut
G04739616Courtesy of BMW OF NORTH AMERICA, INC.

Screw towing eye (1) into cylinder head.

Tightening torque: 11 12 11AZ .

Attach special tool 11 0 000 to engine crane.

Suspend special tool 11 0 000 from the designated mounting eyelets (2) only.

Lift engine out with engine crane.

Fig 8: Attaching Special Tool (11 0 000) To Engine Crane
G09918983Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.