This bulletin applies to 2016-2018 Audi A3 vehicles equipped with a manual transmission. If an oil leak is observed at the bellhousing area, the input shaft seal may be at fault.
Replace the oil seal according to the repair manual (in ELSA under Drivetrain>>6-Speed S tronic Transmission 0DD>>Input Shaft Seal Replacing). The oil seal is available as P/N 0DD141738C.
Special tools required include T20143/1 puller and T40403 assembly tool.