11 00 050 Removing and installing engine (N55)

Special tools required:

11 0 000
11 7 310
11 8 680
13 5 281
13 5 282

Necessary preliminary tasks:

Disconnect NEGATIVE BATTERY LEAD .
Move ENGINE COMPARTMENT LID into service position.
Remove intake plenum. See REMOVING AND INSTALLING INTAKE PLENUM (N55) .
Remove cowl panel COVER .
Remove CLEAN AIR PIPE .
REMOVE LEFT CHARGE AIR DUCT .
Remove right CHARGE-AIR DUCT .
Remove EXPANSION TANK .
Remove thermostat.REMOVING AND INSTALLING/REPLACING COOLANT THERMOSTAT (N55)
Remove rear ignition coil cover.
Remove AIR CONDITIONING COMPRESSOR .
Remove the CATALYTIC CONVERTER .
Remove transmission . See 23 00 028 REMOVING AND INSTALLING TRANSMISSION (GS6-45BZ) N55 or 24 00 033 REMOVING AND INSTALLING AUTOMATIC TRANSMISSION (GA8HP45Z) N55 .
Remove front output shaft (all-wheel drive vehicles only).
Remove RADIATOR .
Detach all coolant hoses from engine.
Detach vacuum line from brake booster.

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

Fig 1: Identifying Towing Hook (72 15 8 108 670)

Courtesy of BMW OF NORTH AMERICA, INC.

Pull off rubber mount (1) and slightly raise service cover (2) until lock of cover (3) is accessible.

Unlock lock and remove cover (3).

Fig 2: Locating Lock And Service Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken nut (1).

Fig 3: Identifying Positive Battery Cable And Battery Positive Terminal Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque 12 42 3AZ .

Remove positive battery cable from battery positive terminal.

Unlock and pull off all connectors (1) from power distribution module.

Remove cover (2).

Release nut beneath it and set positive battery cable aside.

Tightening torque 12 52 7AZ .

Release lock (3) in direction of arrow.

Feed out and remove power distribution module.

Fig 4: Removing Power Distribution Module Lock

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and pull off the connector (1) from the power distribution module and cable holders.

Release the clamp (2) and expose the wiring harnesses.

Fig 5: Identifying Power Distribution Module Connector And Clamp

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Hot-climate version

Release screw (1).

Remove oil pipes (2) from oil filter unit.

Release oil lines on cylinder head cover.

Fig 6: Identifying Oil Pipes And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Remove power protective plate (2).

Fig 7: Identifying Power Protective Plate And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Release fuel lines from protective plate.

Unlock and disconnect fuel tank ventilation line (1).

Unlock and disconnect fuel delivery line (2).

Fig 8: Identifying Fuel Tank Ventilation Line And Fuel Delivery Line

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 9: Identifying Fuel Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Attach special tool 11 8 680 to rear lifting eye (gearbox side).

Push ball lock pin (1) in direction of arrow and hold down until special tool 11 8 680X is positioned in lifting eye.

Pull ball lock pin (1) outward in direction of arrow until both balls (2) are pushed outward.

Installation note:

For checking correct mounting of special tool 11 8 680.

There must be a 6.5 mm gap between ball lock pin (1) and ball lock pin housing.

The gap dimension can be checked using a 6.5 mm drill.

Fig 10: Pulling Ball Lock Pin

Courtesy of BMW OF NORTH AMERICA, INC.

Attach special tool 11 0 000 to engine crane.

Suspend special tool 11 0 000 from the designated mounting eyelets of special tool 11 8 680 only (see arrow).

Fig 11: Mounting Eyelets Of Special Tool (11 8 680)

Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1) on engine mount on left and right.

Fig 12: Identifying Engine Mount Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace self-locking nuts.

Tightening torque 22 11 2AZ .

Screw towing eye into cylinder head.

Tightening torque 11 12 5AZ .

Suspend special tool 11 0 000 from the designated mounting eyelets (1) only.

Lift engine out with engine crane.

Fig 13: Lifting Engine With Engine Crane

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.