General Reference

General reference to SBT
Functional description, see BMW Technology: TIS -> Document -> SI Technology -> SBT Number 2401 05 106

The automatic transmission FW21 is a 6-speed gearbox with hydraulic control in the gearbox. The electronic control is located in a separate control module. The adaptive transmission control adapts the shift characteristics of the comfort program and sport program to the driver's demand and the driving situation.