11 00 050 Removing and installing engine (N52K): Notes

IMPORTANT: Aluminium-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.

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

Necessary preliminary tasks:

Release A/C SYSTEM 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: Identifying Coolant Pipe

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 equipment SA229 (Dynamic Drive), bracket must be released.

Fig 2: Identifying Power Steering Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Screw towing eye (1) into cylinder head.

Tightening torque 11 12 9AZ.

Attach special tool 11 0 020 to engine crane.

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

Lift engine out with engine crane.

Fig 3: Lift Engine Out Using Engine Crane

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For vehicles with optional equipment 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: Removing Oil-Water Heat Exchanger With Hydraulic Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.