11 00 050 Removing and installing engine (N52K)

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Special tools required:

11 0 020

IMPORTANT: Aluminium-magnesium materials.

No steel screws/bolts may be used due to the threat of electrochemical corrosion.

A magnesium crankcase requires aluminium screws/bolts exclusively.

Aluminium screws/bolts must be replaced each time they are released .

Aluminium screws/bolts are permitted with and without color coding (blue).

For reliable identification:

Aluminium screws/bolts are not magnetic .

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

Necessary preliminary tasks:

Move Engine Hood/Bonnet into service position
Remove Exhaust System
Remove transmission. See MANUAL TRANSMISSION or AUTOMATIC TRANSMISSION .
Drain off Engine Oil
Disconnect Battery Negative Lead
Remove Intake Filter Housing
Remove Fan Cowl with electric fan
Remove Radiator
Remove water pump
Remove Coolant Thermostat
Detach all coolant hoses from engine
Remove Microfilter Housing
Remove Intake Air Manifold
Detach vacuum line from Brake Booster
Unfasten Ignition Wiring Harness and lay to one side
Unfasten Engine Wiring Harness and lay to one side
Remove Injection Pipe and place to one side

Release A/C compressor (1) and set down on front axle carrier.

NOTE: E60/E61 only.

IMPORTANT: A/C lines are pressurized.

Do not disconnect A/C lines.

Do not disconnect coolant pipe from crankcase.

Fig 1: A/C Compressor

Courtesy of BMW OF NORTH AMERICA, INC.

Release power steering pump (1) and set down on front axle carrier.

NOTE: Do not disconnect hydraulic lines.

NOTE: For vehicles with optional extra SA229 (Dynamic Drive), bracket must be released.

Fig 2: Power Steering Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Screw towing eye (1) into cylinder head.

For tightening torque refer to 11 12 9AZ in 11 12 CYLINDER HEAD WITH COVER (1AZ-12AZ) [N52K] .

Suspend special tool 11 0 020 from engine crane.

Suspend special tool 11 0 020 from the designated mounting eyelets (2) only.

Lift engine out with engine crane.

Fig 3: Towing Eye, Mounting Eyelets And Special Tool (11 0 020)

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For vehicles with optional extra SA205 (automatic transmission), engine must be raised approx. 10 cm.

Release screws (1).

Remove lines (2) with oil-water heat exchanger in direction of arrow.

Fig 4: Oil-Water Heat Exchanger Line, Screw And Removal Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.