24 00 030 Removing and installing automatic transmission (6HP19Z) N52k

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

IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL .
Use only the approved AUTOMATIC TRANSMISSION - OPERATING FLUIDS .
Failure to comply with this requirement will result in serious damage to the automatic transmission!

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

Remove underbody protection at front and rear
REMOVE FAN COWL
Remove complete EXHAUST SYSTEM
Remove heat shields

Slacken nut (1).

Remove heat shield (2).

Fig 1: Identifying Heat Shield With Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connector (1).

Unfasten screws (2).

Remove cable retaining plate (3).

Tightening torque 24 11 2AZ .

Fig 2: Identifying Plug Connection And Cable Retaining Plate With Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip cable (1) from holder.

Unfasten screws (2).

Remove bracket (3).

Fig 3: Identifying Cable Of Holder And Bracket Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release aluminum bolt (1) on right next to cable retaining plate.

Aluminum screws must be replaced.

Tightening torque 24 00 2AZ .

Fig 4: Identifying Cable Retaining Plate Bolt

Courtesy of BMW OF NORTH AMERICA, INC.

Grip clamping sleeve (1).

Slacken nut (2).

Pull off retainer (3) towards bottom.

Pull cable (4) out of holder.

Installation:

ADJUST SELECTOR LEVER .

Fig 5: Identifying Clamping Sleeve, Retainer, Cable And Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Supporting transmission

Support transmission with special tools 23 4 050, 00 2 030.

Tasks are described in 23... UNIVERSAL BMW TRANSMISSION TAKE-UP .

Secure transmission to mounting with tensioning strap (1).

After completion of work, check transmission oil level.

Fig 6: Supporting Transmission Using Special Tools (23 4 050, 00 2 030)

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws (1) and nuts (2).

Remove transmission cross-member.

Tightening torque 24 71 1AZ/2AZ .

Fig 7: Identifying Transmission Cross-Member Screws And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Remove propeller shaft

Tasks are described in REMOVING AND INSTALLING COMPLETE PROPELLER SHAFT .

Release nut (1) and bracket from transmission oil lines on oil sump.

Fig 8: Identifying Bracket Nut On Oil Sump

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Disconnect hydraulic lines (2) to transmission fluid cooler.

Installation:

Replace sealing rings.

Fig 9: Identifying Hydraulic Lines Of Transmission Fluid Cooler With Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Crank engine at vibration damper in direction of arrow until bolt (1) on vibration damper is visible in opening.

Release all 6 bolts of torque converter with 24 1 110 .

Tightening torque 24 40 1AZ .

Fig 10: Identifying Vibration Damper Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare special tool (1) 24 4 161 (A) with shaped element (2) 24 4 165, side (A) to (A).

Fig 11: Identifying Special Tool (24 4 161 And 24 4 165) With Shaped Element

Courtesy of BMW OF NORTH AMERICA, INC.

Insert special tool 24 4 160 into opening of transmission housing and clamp gently with screw (1).

Fig 12: Inserting Special Tool (24 4 160) Into Opening Of Transmission Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Twist in screw (2) and clamp down.

Then tighten down screw (1).

Graphics show E87.

Lower transmission and lock with a suitable block (1) between steering and oil sump.

Fig 13: Identifying Suitable Block Between Steering And Oil Sump

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect plug (1) by turning.
Do not touch pins.
Release cable from retainers.
Insert special tool 24 2 390 in sealing sleeve.

IMPORTANT: Read and comply with important note.

Fig 14: Turning Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Installation:

Observe screw fastening sequence without fail.

Tightening torque, steel screws 24 00 1AZ .

Aluminum screws must be replaced.

Tightening torque and angle of rotation, aluminum screws/bolts 24 00 2AZ .

Fig 15: Transmission Housing Bolts Tightening/Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Tighten down screws/bolts to specified torque.

Special angle-of-rotation tool 00 9 120 with magnet 00 9 130

Secure to floor plate and screw down aluminum screws/bolts in accordance with angle of rotation.

Angle of rotation 24 00 2AZ .

Fig 16: Identifying Special Tool (00 9 120) And Magnet (00 9 130)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Hole (1) of drive plate must be accessible from opening on engine oil sump. Check fitting sleeves (2, 3) for correct seating.

Replace damaged dowel sleeves.

NOTE: Graphic representation similar.

Fig 17: Identifying Hole Of Drive Plate And Fitting Sleeves

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Rotate torque converter until bore in torque converter is flush with bore in driving disc.

Bolt torque converter to drive plate.

Tightening torque 24 40 1AZ .

Flange automatic transmission to engine.

Reassemble the vehicle.