Torque Converter

WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2006 BMW M3, 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, and 2005 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.

The 4 element torque converter consists of the Turbine, Rotor, Stator with one way clutch and Lock up clutch. Similar in function to previous torque converters, this unit's lock up clutch is:

Fully disengaged.
Variable engagement providing precise slippage.
Fully engaged (locked).

The various clutch application hydraulic pressures are regulated by the control module activated torque converter lock up solenoid. The torque converter is manufactured specifically for the model it is installed in and is part number specific.