2400032 Removing and installing automatic transmission (GA6L45R)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2010 BMW 323i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL .

Use only the approved transmission fluid: Dexron VI automatic transmission fluid ; BMW part number 83 22 0 397 114 (4 liters)

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 aluminium screws/bolts exclusively.
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:

Disconnect BATTERY NEGATIVE LEAD
Remove underbody protection with bracket at front and rear.
Remove complete EXHAUST SYSTEM
Remove heat shields
Support engine with lifter when removing transmission

Release screws (1).

Remove bracket and heat shield.

Unclip lines (2).

Remove bracket (3).

Fig 1: Identifying Bracket, Unclip Lines And Heat Shield

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Disconnect plug connector (1).

Unfasten screws (2).

Remove retaining plate (3).

Tightening torque 24 00 2AZ .

Fig 2: Identifying Retaining Plate, Plug Connector And Screws

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

Aluminium screws must be replaced.

Tightening torque 24 00 2AZ .

Fig 3: Identifying Special Tool (00 9 010)

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Grip clamping sleeve (1).

Loosen nut (2).

Detach retainer (3) downwards using a screwdriver.

Pull cable (4) out of bracket.

Installation:

ADJUST SELECTOR LEVER .

Fig 4: Identifying Clamping Sleeve, Retainer And Nut

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Release screw (1).

Disconnect hydraulic lines (2) to transmission fluid cooler.

Installation:

Replace sealing rings.

Fig 5: Identifying Hydraulic Lines Of Transmission Fluid Cooler With Screws

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

Fig 6: Identifying Screw On Holder On Transmission Oil Lines

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Supporting transmission:

Support transmission with special tools 23 4 050 .

Secure transmission to mounting with tensioning strap (1).

Tasks are described in UNIVERSAL BMW TRANSMISSION TAKE-UP .

After completion of work, check transmission oil level.

Fig 7: Supporting Transmission Using Special Tools (23 4 050)

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Unfasten screws (1) and nuts (2).

Remove TRANSMISSION CROSS MEMBER .

Tightening torque 24 71 1AZ .

Fig 8: 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 .

IMPORTANT: Do not allow propeller shaft to hang from fixed ball joint (risk of damage) .

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

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

Crank engine further and release remaining 5 bolts.

Tightening torque 24 40 1AZ .

Fig 9: Identifying Vibration Damper Screw

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Insert special tool 24 1 370 into recess of transmission housing and secure with screw (1).

NOTE: Check installation location.

Lug (2) must point in opposite direction to direction of travel.

Fig 10: Identifying Screw And Lug

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

Operations are described in

NOTES ON MECHATRONICS

IMPORTANT: Read and comply with important note.

Fig 11: Disconnecting Plug

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Release screws.

Installation:

Observe screw fastening sequence without fail.

Tightening torque, steel screws 24 00 1AZ .

Aluminium screws must be replaced.

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

Fig 12: Transmission Housing Bolts Tightening/Loosening Sequence

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Installation:

Tighten down screws/bolts to specified torque.

Special angle-of-rotation tool 00 9 120 with magnet to underbody and screw down blue aluminium screws/bolts in accordance with angle of rotation.

Angle of rotation 24 00 2AZ .

Fig 13: Identifying Special Tool (00 9 120) And Magnet (00 9 130)

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Installation:

Bore (1) in driving disc must be accessible from opening on engine oil sump.

Fig 14: Identifying Bore In Driving Disc

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Check that dowel sleeves are correctly seated.

Replace damaged dowel sleeves.

Fig 15: Identifying Dowel Sleeves

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Installation:

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

Flange automatic transmission to engine.