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Home >> BMW >> 2013 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Double Clutch Gearbox - Repair) >> 60 Control Unit, Mechatronics, Hydraulics >> 28 60 010 Removing and installing mechatronics (GS7D36SG)

28 60 010 Removing and installing mechatronics (GS7D36SG)

WARNING: This page is about a different variant/trim than selected.
NOTE: When replacing mechatronics:
IMPORTANT: It is essential to adhere to conditions of absolute cleanliness.
Any dirty parts must be cleaned before the hydraulic cap is loosened.
After completion of work, check oil level ..
USE ONLY THE APPROVED gear oil for dual clutch transmission GS7D36SG DCTF-1 Pentosin (P/N 83 22 2 147 477).
Failure to comply with this instruction will result in serious damage to the twin-clutch gearbox.
IMPORTANT: Read and comply with notes on ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

Necessary preliminary tasks 

Place twin clutch transmission on a suitable surface.

To prevent the gearbox oil from spilling out, make sure that the hydraulic cap points upward.

Remove hydraulic cap .

Fig 1: Identifying Hydraulic cap
G06905059Courtesy of BMW OF NORTH AMERICA, INC.

Ensure correct installation position.

Press holder (2) together from right and release cable (1).

Installation note: 

Replace holder.

Retaining lugs must point to the right.

If fitted: Pull out CPA pin (7) to second locking position.

Release connector lock (6) and at same time detach connector (3) from retaining tabs (5) towards right.

IMPORTANT: Bridge (4) of connector must not  break.
Wiring harness must be replaced if bridge breaks.
Fig 2: Identifying Cable, Holder, Connector Bridge, Connector Lock And CPA Pin
G06905060Courtesy of BMW OF NORTH AMERICA, INC.

CPA (1) in second locking position.

Installation note: 

Press CPA pin down until it is flush with the housing.

Fig 3: Identifying CPA Pin
G06905061Courtesy of BMW OF NORTH AMERICA, INC.
Fig 4: Placing Mounting Template Over Mechatronics
G06905062Courtesy of BMW OF NORTH AMERICA, INC.

Place mounting template over mechatronics.

Open screws 1-20.

NOTE: Replace screws 1-12.

Screws 13-20 remain captive on module.

Remove mounting template.

Lift mechatronics out of housing.

Remove metal bead gasket.

Fig 5: Removing Metal Bead Gasket
G06905063Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Check the installation location of the centering pins (1).
The centering pins (1) of the mechatronics remain in the housing.
Fig 6: Identifying Centering Pins
G06905064Courtesy of BMW OF NORTH AMERICA, INC.

Installing mechatronics 

Install a new metal bead gasket.

Install mechatronics.

Fit mounting template.

Fig 7: Automatic Transmission Valve Body (Mechatronics) Screws Tightening/Loosening Sequence
G06905065Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Adhere without fail to the screwing sequence indicated on the template.

The screw length can be checked by means of the insert pockets shaped in the template.

  1. Insert screws in sequence 1-12 and pre-tighten to 2 Nm.
  2. Tighten down screws 1-12 to tightening torque and angle of rotation.
  3. Tighten down screws in sequence 13-20 to 5 Nm.
  4. Remove mounting template.