11 00 050 Removing And Installing Engine (N54)

Special tools required:

For the following special tools, refer to ENGINE- SPECIAL TOOLS .

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

IMPORTANT: 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:

Disconnect battery negative lead.
Lift engine bonnet/hood into assembly position . See 51 00... SERVICE POSITION OF ENGINE HOOD/BONNET .
Drain off engine oil . See 11 00... SERVICE - ENGINE OIL (N54) .
Remove air filter housing . See 13 71 000 REMOVING AND INSTALLING/REPLACING INTAKE FILTER HOUSING (N54) .
Remove cover for cowl panel.
Remove fan cowl with electric fan. See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N54) .
Remove radiator . See 17 11 000 REMOVING AND INSTALLING RADIATOR (N53, N54) .
Remove expansion tank . See 17 11 100 REMOVING AND INSTALLING/REPLACING COOLANT EXPANSION TANK (N53, N54) .
Detach all coolant hoses from engine.
Release oil lines from oil-coolant heat exchanger. See 11 44 000 REMOVING AND INSTALLING/REPLACING OIL-COOLANT HEAT EXCHANGER (N54) .
Remove alternator drive belt . See 11 28 010 REPLACING ALTERNATOR DRIVE BELT (N54) .
Remove A/C compressor . See 64 52 521 REPLACING A/C SYSTEM COMPRESSOR (N54) .
Detach pressure pipe from both turbochargers. See 11 61 368 REMOVING AND INSTALLING/REPLACING REAR LEFT CHARGE-AIR DUCT (N54) .
Remove fresh air duct on left and right. See 51 71 371 REMOVING AND INSTALLING/REPLACING TENSION STRUT ON LEFT OR RIGHT SPRING STRUT DOME (CONVERTIBLE) or 51 71 371 REMOVING AND INSTALLING/REPLACING TENSION STRUT ON LEFT OR RIGHT SPRING STRUT DOME (COUPE) .
Remove intake air manifold . See 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (N54) .
Detach vacuum line from brake booster.
Unfasten ignition wiring harness and lay to one side. See 12 51 100 REPLACING WIRING HARNESS SECTION FOR IGNITION COIL (N54) .
Release engine wiring harness from electronics box and lay to one side. See 12 51 001 REPLACING WIRING HARNESS SECTION FOR ENGINE (N54) .
Remove exhaust system . See 18 32 050 REMOVING AND INSTALLING/REPLACING CATALYTIC EXHAUST-GAS CONVERTER FOR CYLINDERS 1-3 (N54) or 18 32 060 REMOVING AND INSTALLING/REPLACING CATALYTIC EXHAUST-GAS CONVERTER FOR CYLINDERS 4-6 (N54) .
Remove catalytic exhaust-gas converters . See 18 32 050 REMOVING AND INSTALLING/REPLACING CATALYTIC EXHAUST-GAS CONVERTER FOR CYLINDERS 1-3 (N54) or 18 32 060 REMOVING AND INSTALLING/REPLACING CATALYTIC EXHAUST-GAS CONVERTER FOR CYLINDERS 4-6 (N54) .
Remove output shafts (AWD only).
Remove power steering pump . See PUMP AND OIL SUPPLY .
Remove reinforcement plate (AWD only).
Remove transmission . See 24 00 030 REMOVING AND INSTALLING AUTOMATIC TRANSMISSION (GA6HP19Z) N54 or 23 00 018 REMOVING AND INSTALLING TRANSMISSION (GS6-53BZ) N54 .
Release grounding strap on left engine support arm

Release bolts (1, 2).

Remove heater end plate (3).

Installation:

Make sure heater end plate is correctly seated.

M6x20 bolt must be fitted in middle.

Fig 1: Identifying Heater End Plate With Mounting Bolts

G05758480

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Identifying Special Tool 11 7 310 For Supporting Engine

G04754746

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) for A/C lines.

Fig 3: Identifying A/C Lines Screws

G06174569

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect fuel lines (1).

Seal off fuel lines with special tools 11 5 281 and 11 5 282.

Detach vacuum line from engine mount.

Fig 4: Identifying Fuel Lines

G06174570

Courtesy of BMW OF NORTH AMERICA, INC.

Secure special tool 11 8 680 to lifting eye on transmission side.

Press locking pin (1) in direction of arrow until locking balls (2) are loose.

Secure special tool 11 8 680 to lifting eye. Release locking pin (1).

Installation:

Special tool 11 8 680 is correctly installed when locking balls (2) are arrested.

Special tool 11 8 680 is firmly secured to lifting eye.

Fig 5: Pressing Locking Pin

G04754750

Courtesy of BMW OF NORTH AMERICA, INC.

Suspend special tool 11 0 000 from special tool 11 8 680 in eye (1).

Fig 6: Identifying Special Tool 11 8 680 And Eye

G04754751

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in towing hook (1).

Suspend special tool 11 0 000 from engine crane.

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

Unscrew left and right engine mounts .

Remove left engine support arm.

Lift engine out with crane.

Fig 7: Identifying Special Tools 11 0 000 And 11 8 680

G04754752

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Secure special tool 11 7 310 to steering gear.

Fig 8: Identifying Special Tool 11 7 310

G04754753

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Observe following in case of replacement engine .

Check function of DME.