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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 239 (Automatic Transmission - Repair - Convertible (R57)) >> Hydraulic/Electrical Control Components/Elements >> 24 30 010 Removing and installing/replacing hydraulic shift unit (AISIN)

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

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL .
Make a note of drained ATF quantity.
Required replenishment quantity approx. 4.5 liters.
IMPORTANT: Use only the approved OPERATING FLUID in this automatic transmission.
Otherwise the automatic transmission may incur extensive damage!
Do not drain oil before the transmission has cooled down.

Necessary preliminary work 

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 Hand Valve Lever With Retaining Lugs And Nut
G04796649Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Identifying Connectors
G04796650Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque: 24 11 17AZ .

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

Fig 3: Identifying Oil Temperature Sensor With Locking Plate And Screw
G04796651Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Moisten seal with ATF.

Disconnect plugs of magnet and pressure valves.

Installation note: 

Pay attention to routing of cables.

Fig 4: Identifying Plugs Of Magnet And Pressure Valves
G04796652Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: When removing selector unit, slide in gear selector valve (1) and hold down.
Fig 5: Sliding In Gear Selector Valve
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 note: 

Pay attention to installation location of cable clip and cables.

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

Installation note: 

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 note: 

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

Fig 9: Identifying 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: Selector Unit Screws Tightening Sequence
G04796658Courtesy of BMW OF NORTH AMERICA, INC.