24 31 575 Replacing O-ring on oil pump (GA6HP26Z) (N63 engine, model years 2009 through 2012)

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Special tools required:

IMPORTANT:

After completing work, check TRANSMISSION OIL LEVEL .

Use only approved TRANSMISSION OIL .

Failure to comply with this instruction will result in serious damage to the transmission!

Necessary preliminary tasks:

Remove AUTOMATIC TRANSMISSION .
Secure transmission with TRANSMISSION HOLDING BRIDGE on assembly stand.
Remove TORQUE CONVERTER .
Remove MECHATRONICS .

Remove adapter (1).

Installation:

Note installation position.

Fig 1: Identifying Adapter

G05476386

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Tightening torque 24 31 2AZ .

Fig 2: Locating Screws

G05476387

Courtesy of BMW OF NORTH AMERICA, INC.

Slide special tool 24 1 184 completely into puller 24 1 180 .

Fig 3: Sliding Special Tool Completely Into Puller

G05476388

Courtesy of BMW OF NORTH AMERICA, INC.

Attach special tool 24 1 180 and secure with screw (1).

Insert screw (2) and release oil supply unit from transmission housing.

Fig 4: Release Oil Supply Unit From Transmission Housing Using Special Tool (24 1 180)

G05476389

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Tightening torque 24 31 1AZ .

Fig 5: Locating Screws

G05476390

Courtesy of BMW OF NORTH AMERICA, INC.

Detach cover (1) from pump body (2).

Replace O-rings (3 + 4).

Installation:

Pay attention to installation position of gears during disassembly.

Fig 6: Identifying Cover, Pump Body And O-Rings

G05476391

Courtesy of BMW OF NORTH AMERICA, INC.