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

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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
G04751004Courtesy 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
G04751005Courtesy 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
G04751006Courtesy 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
G04751007Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.