23 42 508 Replacing Pressure Sensor GS6S53BZ (SMG)

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT:

Before working on hydraulic system:

Reduce pressure in hydraulic system by means of Service Function in DIS Tester
Disconnect HYDRAULIC PUMP RELAY in electronics box
Do not reconnect relay for entire duration of repair work

NOTE:

After completing work:

Check FLUID LEVEL IN HYDRAULIC SYSTEMby means of DIS Tester "Service Function"
Perform "Teach in transmission" service function by means of DIS Tester

Necessary preliminary tasks:

Remove underbody protection

Release screws (1) and remove protective plate.

Tightening torque 23 41 7AZ . See EXTERNAL GEARSHIFT COMPONENTS for specs.

Fig 1: Identifying Protective Plate

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug and release pressure sensor (2).

Tightening torque 23 41 10AZ . See EXTERNAL GEARSHIFT COMPONENTS for specs.

Installation:

Replace sealing ring.

Fig 2: Identifying Pressure Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

After completing work:

Check FLUID LEVEL IN HYDRAULIC SYSTEMby means of DIS Tester "Service Function"
Perform "Teach in transmission" service function by means of DIS Tester