11 00 050 Removing and installing engine with transmission (N18)

Special tools required:

Necessary preliminary work:

Move engine compartment lid into assembly position.
Remove EXHAUST SYSTEM .
Drain ENGINE OIL .
Disconnect negative battery cable.
Disconnect positive battery cable.
Disconnect connector on air conditioning compressor.
Remove both drive shafts. See REMOVING LEFT OUTPUT SHAFT and REMOVING RIGHT OUTPUT SHAFT .
Remove AIR CLEANER HOUSING .
Remove FAN COWL with electric fan.
Detach all coolant hoses from engine.
Detach vacuum line from brake booster.
Remove complete FRONT PANEL

Disconnect gearshift cables from transmission.

Release clips on limit position/holder (1).

Unlock retainers.

Detach cable (2) on ball joint.

Fig 1: Identifying Selector Lever Cable, Holder And Screw

G04796607

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1) on zero-gear sensor.

Detach cable (2) with holder from transmission.

Fig 2: Identifying Zero Gear Sensor Plug Connection And Cable

G06916276

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Pressure line of clutch slave cylinder remains connected.

IMPORTANT: Slowly relieve tension on clutch slave cylinder otherwise air may be drawn in through sealing cup.
If possible, do not deflect push rod of clutch slave cylinder.
A deflection of the push rod caused by removal will cause easy escape of fluid. This escape of fluid does not mean that the clutch slave cylinder is damaged.
Replacement is therefore not necessary!

Fig 3: Identifying Clutch Slave Cylinder Nuts

G04796609

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts (1) and remove clutch slave cylinder.

Tightening torque 21 52 2AZ .

Automatic transmission only

Detach multiple pin connector (1/2) of transmission control unit.

Remove wiring harness.

Pay attention to routing of wiring harness.

NOTE: Similar to graphic.

Engine shown removed.

Fig 4: Identifying Transmission Control Unit Multiple Pin Connectors

G04796630

Courtesy of BMW OF NORTH AMERICA, INC.

Automatic transmission only

Release cable lock nut (1).

Tightening torque: 24 11 8AZ

Installation note:

Adjust SELECTOR LEVER .

NOTE: Similar to graphic.

Fig 5: Releasing Cable Lock Nut

G04796631

Courtesy of BMW OF NORTH AMERICA, INC.

Automatic transmission only

Disconnect plug connector (1) from selector lever position switch.

Remove hose (2) from holder.

Slide cable retaining sleeve (3) in direction of arrow.

Remove cable upwards from holder.

Fig 6: Removing Cable From Holder

G04796632

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect fuel delivery line (1).

Close off fuel line (2) with special tool 13 5 162 .

Detach tank ventilation line.

Installation note:

Retaining lugs of lock must not be damaged. A fuel line with damaged retaining lugs must be replaced.

Fuel delivery line (1) must snap audibly into place.

Fig 7: Identifying Fuel Line And Fuel Delivery Line

G04789959

Courtesy of BMW OF NORTH AMERICA, INC.

Attach special tool 11 0 260 to lifting eye (1).

Fig 8: Attaching Special Tool (11 0 260) To Lifting Eye On Engine

G04796119

Courtesy of BMW OF NORTH AMERICA, INC.

Attach special tool 11 0 260 to lifting eye (1).

Fig 9: Attaching Special Tool (11 0 260) To Lifting Eye At Transmission End

G04796120

Courtesy of BMW OF NORTH AMERICA, INC.

Release transmission and engine mounts. See RIGHT ENGINE MOUNT and TRANSMISSION SUPPORT BRACKET .

Remove engine with special tool 11 0 260 towards front.

Fig 10: Removing Engine With Special Tool (11 0 260)

G04796121

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.