24 00 023 Removing And Installing Automatic Transmission (6HP26Z/N62TU) from 03/07

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. 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!

Necessary preliminary tasks:

Disconnect battery.
Remove underbody protection at front and rear.
Remove REINFORCEMENT PLATE
Important notes on installation are described in this work step.
Remove EXHAUST SYSTEM after catalytic converter.
Remove RIGHT MONITOR SENSOR .
Remove LEFT MONITOR SENSOR .

Remove heat shields (1) and (2).

Fig 1: Identifying Heat Shields

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Detach plug (1) from speed sensor.

Release screw (2) and remove speed sensor.

Fig 2: Identifying Plug From Speed Sensor, And Screw

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Detach plug (1) from oil level sensor and unclip cable from fixtures.

Fig 3: Identifying Plug From Oil Level Sensor

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Detach plug (1) and unclip cable duct (2) from transmission housing.

Tie wiring harness to one side.

Fig 4: Identifying Plug And Unclip Cable

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Unfasten nut.

Disconnect cable (1).

Installation:

Unfasten nut.

Adjust cable by means of holder (2) until spacing

A = 1 mm is obtained.

Tighten nut.

Fig 5: Locating Holder And Nut

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Supporting transmission:

Support transmission with special tools 23 4 050 , 23 0 132 , and 00 2 030 .

Secure transmission with tensioning strap (1).

Tasks are described in TRANSMISSION BRACKET .

After completion of work, check transmission oil level.

Fig 6: Identifying Special Tools (23 4 050, 23 0 132, And 00 2 030)

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Release nut (1) and remove grounding strap.

Fig 7: Identifying Grounding Strap Nut

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Release screws (1) and nuts (2) and remove transmission cross-member.

Tightening torque 22 32 3AZ/ 4AZ . See TRANSMISSION MOUNTS for specs.

NOTE: Illustration similar.

Fig 8: Identifying Transmission Cross-Member Screws And Nuts

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

Tasks are described in Removing PROPELLER SHAFT .

Unlock and disconnect plug (1) by turning.
Release cable from retainers.
Insert special tool 24 2 390 in sealing sleeve.

These tasks are described in NOTES ON MECHATRONICS

(Important: Observe important note)

Fig 9: Releasing Cable From Retainers

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Release screw (1).

Disconnect hydraulic lines (2) to transmission fluid cooler.

Installation:

Replace sealing rings.

Fig 10: Identifying Hydraulic Lines And Bolt

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

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

Crank engine further and release remaining 3 bolts.

Tightening torque 24 40 1AZ . See TORQUE CONVERTER for specs.

Fig 11: Locating Torque Converter Screw

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

Fig 12: Identifying Special Tools (24 4 161) And (24 4 165)

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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).

NOTE: Illustration similar.

Fig 13: Identifying Special Tools (24 4 160)

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Release screws.

Tightening torque 24 00 1AZ . See TRANSMISSION IN GENERAL for specs.

Fig 14: Locating Engine Oil Pan Screw

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Installation:

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

Fig 15: Identifying Engine Oil Pan Bore

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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.