11 00 050 Removing and installing engine (N52K)

WARNING: This page is about a different variant/trim than selected.

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:

Disconnect BATTERY NEGATIVE LEAD
Move ENGINE HOOD/BONNET into service position
Remove INTAKE FILTER HOUSING
Remove FAN COWL with electric fan
Remove RADIATOR
Remove CONDENSER
Detach all coolant hoses from engine
Detach vacuum line from brake booster
Release engine wiring harness from electronics box and lay to one side
Remove EXHAUST SYSTEM
Remove transmission See 2300017 REMOVING AND INSTALLING TRANSMISSION (GS6-17BG) N52K or 2400030 REMOVING AND INSTALLING AUTOMATIC TRANSMISSION (6HP19Z) N52K
Release STEERING SPINDLE from steering gear (do not remove)
Release grounding strap on left engine support arm

Release nut (1) and disconnect battery positive lead (2) from terminal.

Fig 1: Identifying Battery Positive Lead And Nut

G06904082

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) and remove A/C line (2) from A/C compressor.

Installation:

Replace seals.

Tightening torque 64 52 1AZ .

Fig 2: Identifying A/C Line And Screw

G06909813

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect fuel lines (1).

Seal off fuel lines with special tools 13 5 161 and 13 5 162.

Disconnect tank vent line (2).

Fig 3: Identifying Tank Vent Line And Fuel Line

G06904083

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock crankcase breather hose (2) and detach from cylinder head cover (1).

Fig 4: Identifying Crankcase Breather Hose And Cylinder Head Cover

G06909815

Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation:

Replace self-locking nut.

Tightening torque 22 11 2AZ .

Fig 5: Identifying Engine Mount Nut

G04739616

Courtesy of BMW OF NORTH AMERICA, INC.

Screw towing eye (1) into cylinder head.

Tightening torque 11 12 9AZ .

Suspend special tool 11 0 020 from engine crane.

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

Lift engine out with engine crane.

NOTE: For purposes of clarity, engine removed and not showing intake manifold.

Fig 6: Lifting Engine Using Special Tool (11 0 020)

G04751006

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Secure special tool (1) 11 7 310 on steering gear.

Remove again before securing transmission carrier.

Fig 7: Identifying Special Tool (11 7 310) On Steering Box

G06904089

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.