11 00 050 Removing and installing engine (M54)

Special tools required:

11 0 020
11 0 250
13 5 280

Necessary preliminary tasks:

Disconnect battery negative lead. Refer to 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Lift engine hood into assembly position. Refer to 51 00... SERVICE POSITION OF ENGINE HOOD .
Remove design cover.
Remove air cleaner housing. Refer to 13 71 000 REMOVING AND INSTALLING INTAKE FILTER HOUSING (M54) .
Remove clean air duct.
Remove heater bulkhead.
Remove left assembly partition wall.
Release engine wiring harness from electronics box.
Drain coolant. Refer to 17 00 005 DRAINING OFF AND TOPPING UP COOLANT (M54) .
Remove radiator. Refer to 17 11 000 REMOVING AND INSTALLING RADIATOR (M54) .
Remove A/C compressor drive belt. Refer to 11 28 050 REPLACING A/C COMPRESSOR DRIVE BELT (M52 / S52 / M52TU / M54 / M56) .
Remove alternator drive belt. Refer to 11 28 010 REPLACING ALTERNATOR DRIVE BELT (M52 / S52 / M52TU / M54 / M56) .
Disconnect fuel line (feed).
Remove front/middle underbody panels.
Remove reinforcement plate.
Remove exhaust system. Refer to 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (M54) .
Remove transmission. Refer to REMOVAL & INSTALLATION - X3 (GS6-37BZ) or REMOVAL & INSTALLATION (A5S 360R/390R) .
Remove oxygen sensors (monitor). Refer to 11 78 611 REPLACING OXYGEN MONITOR SENSOR (CYLINDERS 1-3) and 11 78 612 REPLACING OXYGEN MONITOR SENSOR (CYLINDERS 4-6) .

Detach vacuum line (1) from vacuum accumulator.

Fig 1: Detaching Vacuum Line From Vacuum Accumulator

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Automatic transmission only:

Release transmission fluid line screw (1) on engine oil sump.

Fig 2: Releasing Transmission Fluid Line Screw On Engine Oil Sump

Courtesy of BMW OF NORTH AMERICA, INC.

Release fuel line (1).

Fig 3: Releasing Fuel Line

Courtesy of BMW OF NORTH AMERICA, INC.

Seal off fuel line with special tool 13 5 280.

Recycling:

Catch and dispose of escaping fuel in a suitable container.

Observe country-specific waste-disposal regulations.

Disconnect all plug connections on windscreen washer fluid reservoir (1).

Fig 4: Disconnecting Plug Connections On Windscreen Washer Fluid Reservoir

Courtesy of BMW OF NORTH AMERICA, INC.

Press windscreen washer fluid reservoir (1) in direction of arrow upwards.

Secure windscreen washer fluid reservoir (1) with a cable tie (2).

Remove special tool 11 0 250.

IMPORTANT: Engine tips forward - risk of damage .

Remove tension strut (1).

Fig 5: Removing Tension Strut

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Secure engine wiring harness (2) on engine against falling out. Mount special tool 11 0 020 on engine.

Fig 6: Raising Engine At Suspension Lugs

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Pay attention to chain of special tool 11 0 020. Risk of damage to manifold.

Only raise engine at the suspension lugs (1) provided for this purpose.

Release grounding strap (1) on right engine support arm. Unscrew nut (3).

Fig 7: Releasing Grounding Strap On Right Engine Support Arm

Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1) on left engine support arm.

Fig 8: Releasing Nut On Left Engine Support Arm

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Automatic only:
Raise engine approx. 10 cm.
Release screws (1).
Remove transmission fluid lines (2).

Fig 9: Removing Transmission Fluid Lines

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Installation:

Reinstall the transmission fluid lines in reverse sequence to prevent damaging them during installation.

IMPORTANT: Narrow points:

Steering gear.
Condenser.
Bulkhead.

Remove engine carefully .

Assemble engine.

Fill cooling system and check for leaks. Refer to 17 00 005 DRAINING OFF AND TOPPING UP COOLANT (M54) .

Check engine oil level.