24 00 030 Removing And Installing Automatic Transmission (GA6HP19Z) N54

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 2 030
00 9 120
00 9 130
23 4 050
24 1 110
24 2 390
24 4 160
24 4 161
24 4 165

IMPORTANT: After completion of work, check transmission oil level. See CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (GA6HP19Z) . Use only the approved transmission fluid. Failure to comply with this requirement will result in serious damage to the automatic transmission!

IMPORTANT: 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 with bracket at front and rear.
Remove fan cowl with fan. See REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N54) .
Remove complete exhaust system. See EXHAUST SYSTEM, COMPLETE .
Remove heat shields
Support engine with lifter when removing transmission

Release screws (1).

Remove heat shield (2).

Disconnect connector (3).

Bracket remove.

Fig 1: Identifying Heat Shield Screws

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Remove cables (1) from holder (3).

Release screws (2) and remove holder (3).

Fig 2: Identifying Holder With Screws

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Disconnect plug connector (1).

Release screws (2).

Remove cover plate (3).

Tightening torque 24 11 2AZ .

NOTE: Illustration similar

Fig 3: Identifying Plug Connector And Cover Plate

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

Aluminum screws must be replaced.

Tightening torque 24 00 2AZ .

Fig 4: Identifying Aluminum Bolt

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Grip clamping sleeve (1).

Slacken nut (2).

Detach retainer (3) downwards using a screwdriver.

Pull cable (4) out of holder.

Installation:

Adjust selector lever. See ADJUSTING SHIFT LEVER .

Fig 5: Identifying Cable And Holder With Sleeve

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Supporting transmission:

Support transmission with special tools 23 4 050 and 00 2 030. See Fig 6.

Secure transmission to mounting with tensioning strap (1).

Tasks are described in Transmission bracket. See UNIVERSAL BMW TRANSMISSION TAKE-UP .

After completion of work, check transmission oil level.

Fig 6: Identifying Support Transmission With Special Tools 23 4 050 And 00 2 030

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Unfasten screws (1) and nuts (2).

Remove transmission crossmember.

Tightening torque 24 71 1AZ / 2AZ .

Fig 7: Identifying Screws And Nuts

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Remove propeller shaft. See REMOVING AND INSTALLING PROPELLER SHAFT (INSERTED) COMPLETELY .

Release screw (1).

Disconnect hydraulic lines (2) to transmission fluid cooler.

Installation:

Replace sealing rings.

Fig 8: Identifying Hydraulic Lines With Screw

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

Fig 9: Identifying Transmission Oil Lines Nut

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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 5 bolts.

Tightening torque 24 40 1AZ .

Fig 10: Identifying Screw

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

Fig 11: Identifying Special Tools

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Insert special tool 24 4 160 into opening of transmission housing and clamp gently with screw (1). See Fig 12.

Raise by turning screw (2) and clamp down.

Then tighten down screw (1).

Fig 12: Identifying Special Tool 24 4 160 With Screw

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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: see NOTES ON MECHATRONICS (GA6HP26Z/GA6HP32Z/GA6HP19Z) .

IMPORTANT: Read and comply with important note.

Fig 13: Disconnecting Plug

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Release screws.

Installation:

Observe screw fastening sequence without fail.

Tightening torque 24 00 1AZ .

Aluminum screws must be replaced.

Tightening torque and angle of rotation, aluminum screws/bolts (7, 8, 9, 10, 11): see 24 00 2AZ .

Fig 14: Transmission Housing Bolts Tightening/Loosening Sequence

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Installation:

Tighten down screws/bolts to specified torque.

Secure rotation angle of special tool 00 9 120 with magnet 00 9 130. See Fig 15.

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

Angle of rotation: see 24 00 2AZ .

Fig 15: Identifying Special Tools 00 9 130 And 00 9 120

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Installation:

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

Fig 16: Identifying Bore

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Check that dowel sleeves are correctly seated.

Replace damaged dowel sleeves.

Fig 17: 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.