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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Automatic Transmission - Repair - Clubman (R55)) >> Transmission Case, Oil Sump >> 24 30 010 Removing and installing/replacing hydraulic selector unit (AISIN)

24 30 010 Removing and installing/replacing hydraulic selector unit (AISIN)

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: After completion of work, check transmission fluid level  . See 00 11 500 CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (AISIN) .
Make a note of drained ATF quantity.
Required replenishment quantity approx. 4.5 litres.
IMPORTANT: Use only the approved automatic transmission  fluid in this automatic transmission. See OPERATING FLUIDS .
Otherwise the automatic transmission may incur extensive damage!
Do not drain fluid before the transmission has cooled down.

Necessary preliminary tasks: 

Bend open retaining lugs (1) of hand valve lever.

Slacken nut (2).

Tightening torque: 24 11 17AZ .

Remove hand valve lever (3).

Fig 1: Identifying Retaining Lugs And Nut With Valve Lever
G04796649Courtesy of BMW OF NORTH AMERICA, INC.

Release plugs (1/2) from holders and disconnect.

Fig 2: Identifying Plugs
G05516023Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque: 24 11 17AZ .

Remove oil temperature sensor (2) with locking plate (3).

Installation: 

Moisten seal with ATF.

Fig 3: Identifying Oil Temperature Sensor With Locking Plate And Screw
G05516024Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plugs of magnet and pressure valves.

Installation: 

Pay attention to routing of cables.

Fig 4: Locating Plugs Of Magnet And Pressure Valves
G04796652Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: When removing selector unit, slide in selector slide (1) and hold down.
Fig 5: Identifying Selector Unit
G04796683Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Screws have different lengths.
Numbers: 4, 6, 10, 12=28 mm. 
Numbers: 2, 3, 5, 7, 8, 11=21 mm. 
Numbers: 1, 9=16 mm. 
Fig 6: Identifying Screws
G04796654Courtesy of BMW OF NORTH AMERICA, INC.

First release screws uniformly in specified order and then remove.

Remove selector unit.

Installation: 

Pay attention to installation location of cable holders and cables.

Fig 7: Identifying Screws
G04796654Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Under the selector unit at the end of the selector slide is the accumulator plunger (1) with spring.
Hold accumulator plunger (1) and spring firmly when removing selector unit.

Installation: 

Moisten accumulator plunger and spring with ATF.

Install selector unit, accumulator plunger and spring simultaneously.

Fig 8: Identifying Accumulator Plunger
G04796656Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Before installing selector unit, secure cable with adhesive tape in installation location on housing.

Fig 9: Securing Cable With Adhesive Tape
G04796657Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Insert screws slightly during installation, align selector unit and tighten down in specified order.
Jointing torque and angle of rotation must be observed.

Tightening torque: 24 11 18AZ .

Fig 10: Identifying Screws
G04796658Courtesy of BMW OF NORTH AMERICA, INC.