Thinking of doing MFSW mod and Cruise Control on Audi A3 2008. Obviously first step is to source the correct parts. At the moment the fitted parts are as follows. Airbag: 8P0 959 655 L Steering wheel Module: 1K0 953 549 AH It seems a basic module and will not support MFSW + Cruise Control. Do I need to change the Airbag as well, which seems expensive????? What are the other parts (with part numbers), I need please.