23 00 613 Removing and installing transmission (GS7S47BG SMG)

WARNING: This page is about a different car, the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2006 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: After completing work:

Carry out adaptation with DIS Tester: refer to Service Function in DIS Tester.
- Teach in clutch valve characteristic value
- Adapt SMG transmission completely
- Teach in clutch slipping point
Check TRANSMISSION OIL LEVEL .
Use only the APPROVED TRANSMISSION OIL .
Read out fault memory and clear entered faults.

Failure to comply with this requirement will result in serious damage to the manual transmission.

Necessary preliminary tasks:

Remove complete EXHAUST SYSTEM .
Remove center underbody protection.
Remove REINFORCEMENT PLATE .

Important notes on installation are described in this work step.

Remove heat shields (1) and (2).

Fig 1: Identifying Heat Shields (1 Of 2)

Courtesy of BMW OF NORTH AMERICA, INC.

Remove heat shields (1) and (2).

Fig 2: Identifying Heat Shields (2 Of 2)

Courtesy of BMW OF NORTH AMERICA, INC.

Remove PROPELLER SHAFT .

Release center mount.

IMPORTANT:

Bending the propeller shaft by an excessive angle can cause premature damage to the joint/propeller shaft!

Tie up propeller shaft to underbody.

Remove engine with lifter when removing transmission.

Unscrew nuts (1).

Disconnect connector (2) and unclip from holder.

Fig 3: Identifying Nuts And Plugs

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector (1) on pulse generator and detach.

Release screw (3) and remove pulse generator.

Unlock connector (2) on oxygen sensor cable and detach.

Fig 4: Identifying Pulse Generator Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) and remove holder.

Fig 5: Identifying Holder Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release 6 bolts (1) prior to supporting transmission with transmission jack.

Fig 6: Identifying Supporting Transmission Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Support transmission with special tools 00 2 030 , 23 0 132 , 23 0 131 and 23 0 139 .

Fig 7: Identifying Special Tools (00 2 030), (23 0 132) And (23 0 131)

Courtesy of BMW OF NORTH AMERICA, INC.

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

Lower transmission.

Fig 8: Identifying Lower Transmission Screws And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug (1) and remove.

Fig 9: Identifying Unlock Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip plug (1) from holder, unlock and disconnect.

Unlock connector (2) and remove.

Installation:

Check pins of plugs (1) and (2) for damage, reset pin if necessary.

Fig 10: Identifying Plug And Connector

Courtesy of BMW OF NORTH AMERICA, INC.

Detach plug (1) from hydraulic pump.

Lay wiring harness to one side.

Fig 11: Identifying Plug From Hydraulic Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Release remaining 6 bolts (1).

Tightening torque: see Fig 12 and TRANSMISSION DESIGNATIONS .

Fig 12: Tightening Torque 23 00 1AZ

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Bolt (2) must not be released.
Bolt (2) serves to secure the starter motor.

IMPORTANT: Do not allow the transmission to hang off from the transmission input shaft as this will deform the clutch plate. Pull out transmission towards rear and remove.

Fig 13: Identifying Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Check that adapter sleeves (1) are correctly seated.

Replace damaged dowel sleeves.

Fig 14: Identifying Adapter Sleeves

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Remove any grease and lining abrasion from taper splines of clutch plate by mechanical means (with a cloth).

Fig 15: Locating Input Shaft Splines

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Greasing specification:

Remove and clean RELEASE BEARING AND RELEASE LEVER .
Push on grease scraper ring 21 2 240 until limit position.
Grease gearing (1) of input shaft.
Refer to MANUAL TRANSMISSION - OPERATING FLUIDS .
Detach grease scraper ring.

Fig 16: Locating Grease Scraper Ring On Input Shaft

Courtesy of BMW OF NORTH AMERICA, INC.