Genuine OEM Audi Mechatronic Unit, part number 02E325025AQZ6U. This mechatronic unit is responsible for controlling the functions of the automatic transmission, including gear selection and clutch engagement. It is a complex electronic and hydraulic control module. The mechatronic unit is integrated into the transmission assembly. Genuine OEM mechatronic units are supplied with the correct factory software and calibration, ensuring seamless integration and optimal performance of the transmission.