Home >> Audi >> 2012 >> A4 2.0T >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Communication (Sedan) >> 91 Communication >> Sound System >> Control Module/Amplifier For Digital Sound System, Removing And Installing >> Digital Sound System Control Module -J525-, REMOVING AND INSTALLING, MMI, THROUGH 11/03/2008 >> Tightening Specifications