24 00 030 Removing and installing automatic transmission (6HP19Z/N54)

WARNING: This page is about a different car, the 2010 BMW 535i, 2009 BMW 535i, and 2008 BMW 535i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

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

IMPORTANT: E60/E61 and E63/E64 cars are equipped with the Auto-P function as from 03/07 and 09/07 respectively.
Consequence: With ignition on and selector lever in N position, the P position (transmission parking brake) is automatically engaged after 30 mins.
This can be prevented by manually unlocking the TRANSMISSION INTERLOCK .

WARNING: Car must not be moved when the transmission interlock is engaged.
Failure to comply with this instruction will result in immediate transmission damage.

IMPORTANT: Aluminium screws/bolts must be replaced each time they are released.
Aluminium screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminium screws/bolts are not magnetic .
Jointing torque and angle of rotation must be observed without fail (risk of damage).

Necessary preliminary tasks:

Remove FRONT assembly protection.
Remove REAR UNDERBODY PROTECTION .
Remove REINFORCEMENT PLATE
Important notes on installation are described in this work step.
Remove complete EXHAUST SYSTEM .
Remove heat shields and brackets.

Installation:

Release aluminium screw on right next to cable retaining plate with special tool 00 9 010.

Aluminium screws must be replaced.

Tightening torque 24 00 2AZ .

Fig 1: Identifying Special Tools (00 9 010)

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Release bolts (1).

Disconnect plug connection (2).

Steel screws, tightening torque 24 00 1AZ

Aluminium screws, tightening torque 24 00 2AZ

Release aluminium screws with special tool 00 9 010 .

NOTE: Illustration similar.

Fig 2: Identifying Plug Connection And Bolts

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Unclip cable (1) from holder.

Release screw (2).

Remove bracket (3).

Fig 3: Identifying Screw, Bracket And Holder

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Version 2:

Release nut and disengage cable (1).

Installation:

Unfasten nut.

Adjust cable by means of holder (2) until spacing A = 1 mm is obtained

Tighten nut.

Fig 4: Identifying Cable And Holder

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Support engine.

Supporting transmission:

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

Secure transmission to mounting with tensioning strap (1).

Tasks are described in TRANSMISSION BRACKET .

After completion of work, check transmission oil level.

Fig 5: Identifying Special Tools (23 4 050) And (00 2 030)

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Unfasten screws (1) and nuts (2).

Remove transmission cross-member.

Tightening torque 22 32 3AZ/4AZ

Fig 6: Identifying Transmission Cross-Member Screws And Nuts

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Remove propeller shaft from transmission.
Release center bearing.
Tie propeller shaft to one side.

Tasks are described in Removing PROPELLER SHAFT .

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

These tasks are described in NOTES ON MECHATRONICS .

IMPORTANT: Read and comply with important note.

Fig 7: Disconnecting Plug By Turning

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Release screw (1).

Disconnect hydraulic lines (2) to transmission fluid cooler.

Installation:

Replace sealing rings.

Fig 8: Identifying Hydraulic Lines To Transmission Fluid Cooler And Screw

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Detach holder from transmission fluid lines on oil sump.

Fig 9: Locating Holder From Transmission Fluid Lines On Oil Sump

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Crank engine at vibration damper in direction of rotation until screw (1) is visible in opening.

Release all screws of torque converter with special tool 24 1 110.

Crank engine further and release remaining bolts.

Tightening torque 24 40 1AZ .

Fig 10: Identifying Vibration Damper Screw

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

Fig 11: Identifying Special Tool With Shaped Section

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

Twist in screw (2) and clamp down.

Then tighten down screw (1).

Fig 12: Identifying Cable And Holder

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Release screws.

Installation:

Tightening torque, steel screws 24 00 1AZ .

Aluminium screws must be replaced.

Tightening torque and angle of rotation

Aluminium screws (3, 4, 5, 9, 10) 24 00 2AZ

NOTE: Screw (3) only on N54.

Fig 13: Transmission Housing Bolts Tightening/Loosening Sequence

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Installation:

Secure angle of rotation special tool 00 9 120 with magnet 00 9 130 to floor plate.

Screw down aluminium screws according to angle of rotation.

Angle of rotation 24 00 2AZ .

Fig 14: Identifying Special Tools (00 9 130) And (00 9 120)

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Installation:

Bore (1) in driving disk must be accessible from opening on engine oil pan.

Fig 15: Identifying Bore In Driving Disk

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Check that dowel sleeves are correctly seated.

Replace damaged dowel sleeves.

Fig 16: Identifying Dowel Sleeves

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Installation:

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

Flange automatic transmission to engine.