11 00 598 Removing and installing engine on front axle E70 E71 (N63/S63)

Necessary preliminary tasks: 

• Remove front axle with engine and transmission.

Release screws. Installation note:  Replace screws. Tightening torque 26 11 9AZ.

Fig 1: Locating Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Slide propeller shaft towards rear and remove.

Fig 2: Identifying Propeller Shaft

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:  Slide propeller shaft fully towards rear. Sealing cup (1) must snap audibly into place and rest entirely on dust guard (2).

Fig 3: Identifying Cup Seal And Dust Guard On Drive Shaft

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken nut (1) two to three thread turns. If necessary, replace lower section 31 2 242 with lower section 31 2 247. Press control arm (2) with special tool 31 2 240) off swivel bearing. Unscrew nut (1) and remove control arm (2) from swivel bearing.

Installation note:  Keep wishbone to swivel bearing connection clean and free from oil and grease. Replace self-locking nut. Tightening torque 31 12 4AZ.

Fig 4: Identifying Control Arm, Nut And Special Tool (31 2 247)

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken nut (1) two to three thread turns. If necessary, replace lower section 31 2 242 with lower section 31 2 247. Press tension strut (2) with special tool 31 2 240 off swivel bearing. Unscrew nut (1) and remove tension strut (2) from swivel bearing.

Installation note:  Keep tension strut to swivel bearing connection clean and free from oil and grease. Replace self-locking nut. Tightening torque 31 12 2AZ. .

Fig 5: Identifying Tension Strut, Nut And Special Tool (31 2 247)

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken nut (1) two to three thread turns. If necessary, replace lower section 31 2 242 with lower section 31 2 246. Press track rod end (2) with special tool 31 2 240 off swivel bearing. Unscrew nut (1) and remove track rod end (2) from swivel bearing.

Installation note:  Keep track rod end to swivel bearing connection clean and free from oil and grease. Replace self-locking nut. Tightening torque 32 21 3AZ.

Fig 6: Identifying Tie Rod End, Nut And Special Tool (31 2 240)

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1). Slacken nut (2). Pull off expandable hose (3) of Adaptive Drive 1st part.

Recycling:  Catch and dispose of escaping oil with auxiliary materials.

Fig 7: Pulling Off Expandable Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1). Disconnect line (2) part 1.

Recycling:  Catch and dispose of escaping oil with auxiliary materials.

Fig 8: Disconnecting Line

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw and remove oil lines (2). Tightening torque, 17 22 4AZ.

Installation note:  Replace sealing rings.

Fig 9: Removing Oil Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Recycling:  Catch and dispose of escaping oil with auxiliary materials.

Remove swivel bearing (1) with brake disc and drive shaft (3) with the aid of a workshop crane (2). Do not bend output shaft (3) too far, note deflection angle. The illustration shows the procedure on the left swivel bearing; the procedure on the right swivel bearing is identical.

Fig 10: Removing Swivel Bearing

Courtesy of BMW OF NORTH AMERICA, INC.

Screw fixtures (20) onto table lift at a suitable location. Move screw adapter (30) with plate (80) up against the transmission oil sump (1).

Fig 11: Screwing Fixtures Onto Table Lift

Courtesy of BMW OF NORTH AMERICA, INC.

Remove cover on transmission.

Fig 12: Removing Cover On Transmission

Courtesy of BMW OF NORTH AMERICA, INC.

Crank engine at central bolt. Release converter bolts (1).

Fig 13: Releasing Converter Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Press special tool 24 1 380 together and insert into recess in transmission housing.

Fig 14: Fixing Converter (6Hp26 Transmission)

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1). Release hydraulic lines (2).

Installation note:  Replace sealing rings.

Fig 15: Identifying Hydraulic Lines To Transmission Fluid Cooler

Courtesy of BMW OF NORTH AMERICA, INC.

Recycling:  Catch and dispose of escaping oil with auxiliary materials.

Release screw (1). Lay ground strap (2) to one side.

Fig 16: Identifying Ground Strap

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip the transmission wiring harness from its holders (2 3 4 and 5). Pull off the transmission wiring harness from the transmission at the holder (1).

Fig 17: Removing Transmission Wiring Harness

Courtesy of BMW OF NORTH AMERICA, INC.

Take off the transmission connector (1). Unclip the transmission wiring harness from holders (2).

Fig 18: Removing Wiring Harness From Holders

Courtesy of BMW OF NORTH AMERICA, INC.

Release all screws on transmission. Tightening torque 24 00 1AZ.

Installation note:  Screws have different lengths. Note installation position.

Fig 19: Transmission Housing Bolts Tightening/Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

Slightly raise engine with workshop crane and special tool 11 0 020. This simplifies removal and installation of transmission.

Fig 20: Raising Engine With Workshop Crane

Courtesy of BMW OF NORTH AMERICA, INC.

Recycling:  Capture emerging transmission oil with a suitable drip tray (1).

Disconnect transmission (2) from engine in the direction of the arrow. Pictures show N74.

Fig 21: Disconnecting Transmission from Engine

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1). Raise engine approx. 10 mm with cross-member.

Installation note:  Replace self-locking nuts. Tightening torque 22 11 2AZ.

Fig 22: Identifying Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Lift engine (1) with workshop crane (2) and special tool 11 0 020 from front axle. Mount engine on assembly stand.

Fig 23: Lifting Engine With Workshop Crane

Courtesy of BMW OF NORTH AMERICA, INC.