Prior to installation of the new mechatronics

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

The transmission position switches and the input and output speed sensor must be converted to the new mechatronics.

Unlock and disconnect the connector (1).

Release screw (2).

Remove and convert the transmission position switch (3).

Tightening torque 24 30 1AZ .

Fig 1: Identifying Transmission Position Switch, Connector And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect the connector (1).

Unfasten screws (2).

Detach and convert the input and output speed sensor from mechatronics.

Tightening torque 24 30 4AZ .

Fig 2: Identifying Input And Output Speed Sensor Plug And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace gasket (1).

Coat new gaskets with automatic transmission fluid and install.

Fig 3: Identifying Automatic Transmission Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace gaskets (1).

Coat new gaskets with automatic transmission fluid and install.

Fig 4: Identifying Automatic Transmission Gaskets

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Tighten down bolts in sequence (1 to 6).
Failure to comply with this requirement will result in serious damage to the automatic transmission!
Tightening torque 24 30 1AZ .

Fig 5: Automatic Transmission Valve Body (Mechatronics) Screws Tightening/Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.