23 00 018 Removing and installing transmission (GS6-53BZ) (S65)

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 2 030
11 9 990
21 2 240
23 4 050

See MAINTENANCE AND GENERAL INFORMATION - SPECIAL TOOLS .

See ENGINE - SPECIAL TOOLS .

See CLUTCH - SPECIAL TOOLS .

See MANUAL TRANSMISSION - SPECIAL TOOLS .

IMPORTANT: After completing work:

Check transmission oil level. See 00 11 229 CHANGING / TOPPING UP / CHECKING GEAR OIL IN MANUAL TRANSMISSION .

Use only the approved transmission oil.
Failure to comply with this requirement will result in serious damage to the manual transmission.

Necessary preliminary tasks:

Clamp off battery
Remove both suspension cross-braces . See 51 71 345 REMOVING AND INSTALLING/REPLACING LEFT (OR RIGHT) SUSPENSION CROSS-BRACE .
Remove propeller shaft . See 26 11 000 REMOVING AND INSTALLING COMPLETE PROPELLER SHAFT (CONSTANT-VELOCITY JOINT) .
Remove front underbody protection . See 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION .

Disconnect plug connection (1) from reversing light switch.

Release cable from retainers.

Fig 1: Identifying Plug Connection

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Disconnect plug connection (1).

Remove heat shield for crankshaft pulse generator.

Disconnect plug connection (2).

Release screws (3) and (4).

Fig 2: Identifying Plug Connection & Screws

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Disconnect plug connection (1).

Release screws (2).

Suspend holder (3) to one side.

Fig 3: Identifying Plug Connection With Holder

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Release bolts (1).

Tightening torque 23 00 1AZ , see 00 COMPLETE TRANSMISSION .

Fig 4: Identifying Bolts

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Disconnect plug connection (1).

Fig 5: Identifying Plug Connection

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Disconnect plug connection (1).

Fig 6: Identifying Plug Connection

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NOTE: Pressure line of clutch slave cylinder remains connected.

IMPORTANT: Relieve tension on clutch slave cylinder slowly; otherwise air will be drawn in through sealing sleeve.

Unscrew nuts.

Remove clutch slave cylinder.

Tightening torque 21 52 5AZ , see 21 52 CLUTCH OPERATION (HYDRAULIC) .

Fig 7: Locating Clutch Pressure Line

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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. See 00 11 229 CHANGING / TOPPING UP / CHECKING GEAR OIL IN MANUAL TRANSMISSION .

Fig 8: Supporting Transmission With Special Tools (23 4 050 And 00 2 030)

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Remove transmission cross-member. See 22 32 050 REPLACING CROSS-MEMBER FOR TRANSMISSION MOUNTING (S65) .

Lever out retainer (1).

Disconnect shift rod (2).

Installation:

Grease shift rod.

Grease, refer to MANUAL TRANSMISSION - OPERATING FLUIDS .

Make sure shims (3) are in correct position.

Fig 9: Disconnecting Shift Rod

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Unlock bearing pin (1) in direction of arrow and remove.

Lift out shift arm.

Installation:

Grease bearing pins (1).

Grease, refer to MANUAL TRANSMISSION - OPERATING FLUIDS .

Fig 10: Unlocking Bearing Pin

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Lever support bearing (1) with a short screwdriver out of mounting.

Fig 11: Levering Support Bearing With Short Screwdriver

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Installation:

Grease bearing pin of shift arm.

Fit support bearing (1) with opening (2) towards top rear onto holder.

Fig 12: Identifying Support Bearing Installation Position

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Bolt special tool 11 9 990 with bolt (1) to front axle carrier.

Bolt (2) is required to secure the engine in the correct position.

Fig 13: Identifying Special Tool (11 9 990)

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Adjust special tool 11 9 990 until dimension A=50 mm is obtained between front axle carrier and tensioner.

Fig 14: Identifying Dimension Between Front Axle Carrier And Tensioner

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Disconnect plug connection (1) of zero gear sensor (on transmission).

Fig 15: Identifying Plug Connection

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Release screws (1) and (2).

IMPORTANT: Bolts (2) are longer than bolts (1)

Tightening torque 23 00 1AZ , see 00 COMPLETE TRANSMISSION .

NOTE: Bolt (3) must not be released.
Bolt (3) is for securing the starter.

Fig 16: Identifying Bolts With Screws

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IMPORTANT: Do not allow transmission to hang on transmission input shaft when removing and installing, as the clutch disc will be deformed.

To avoid damaging the sound insulation (1) on the bulkhead, raise the transmission after withdrawing the transmission pin from the pilot bearing against the direction of engine lowering to 0°.

For safety, a protective film (2) can also be placed between the transmission and the sound insulation.

Fig 17: Identifying Protective Film Installation Position

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Installation:

Pay attention to correction position of dowel sleeves.

Replace damaged dowel sleeves.

Ensure correct position of cover plate.

Fig 18: Identifying Dowel Sleeves Installation Position

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Installation:

Remove release unit and release lever and clean. See 21 51 500 REMOVING AND INSTALLING OR REPLACING CLUTCH RELEASE BEARING/LEVER .

Installation:

Check lubrication of transmission input shaft for sticky consistency. If grease is sticky, replace clutch plate.

Check clutch plate for friction rust in taper splines and replace if necessary.

Mechanically remove old grease and lining abrasion from the taper splines of the clutch disk (with a cloth).

Fig 19: Identifying Lubrication Application Area Of Transmission Input Shaft

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Installation:

Greasing specification:

Remove release bearing and release lever.
Push on grease scraper ring 21 2 240 as far as it will go.
Grease splines (1) of input shaft with a brush. Refer to MANUAL TRANSMISSION - OPERATING FLUIDS .
Detach grease scraper ring.

Fig 20: Locating Grease Scraper Ring

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