11 00 050 Removing and installing engine (N52)

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Special tools required:

11 0 000 .
11 7 310
13 5 281 .
13 5 282 .

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 .
Joining torque and angle of rotation must be observed without fail (risk of damage) .

Necessary preliminary tasks:

Disconnect BATTERY CABLE .
MOVE engine compartment lid into service position.
Remove EXHAUST SYSTEM .
Remove transmission.
Remove INTAKE SILENCER HOUSING .
Remove FAN COWL with electric fan.
Remove THERMOSTAT .
Draw off A/C SYSTEM .
Remove COOLANT THERMOSTAT .
Remove RADIATOR .
REMOVE capacitor
Detach all coolant hoses from engine.
Remove firewall SOUND INSULATION .
REMOVE intake plenum.
Detach vacuum line.
Unfasten engine wiring harness and lay to one side.

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)

G04751010

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Supporting Engine Using Special Tool 11 7 310 On Steering Box

G04754746

Courtesy of BMW OF NORTH AMERICA, INC.

Undo nuts (1) on hydraulic steering fluid reservoir. Set oil reservoir aside (if installed).

Tightening torque 32 41 1AZ .

Fig 3: Identifying Nuts On Hydraulic Steering Fluid Reservoir

G09918986

Courtesy of BMW OF NORTH AMERICA, INC.

Remove circlip (1).

Unlock and disconnect fuel lines (2 and 3).

Fig 4: Identifying Circlip And Fuel Lines

G09873306

Courtesy of BMW OF NORTH AMERICA, INC.

Close off fuel line (3) with special tool 13 5 281 .

Close off fuel line (2) with special tool 13 5 282 .

Fig 5: Closing-Off Fuel Lines Using Special Tools

G06904513

Courtesy 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 Screws Of Pressure And Intake Pipes

G09918989

Courtesy of BMW OF NORTH AMERICA, INC.

Release power steering pump (1) and set aside (if installed).

Tightening torque 32 41 20AZ .

NOTE: Do not disconnect hydraulic lines.

Fig 7: Identifying Power Steering Pump

G04751005

Courtesy 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

G09918983

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.