979 7-04 PCM2 And BOSE Parts PDF

A technical document that outlines spare parts requirements and software update procedures for PCM2.1 and BOSE amplifiers in Porsche vehicles. It provides detailed information on part numbers, software versions, and specific procedures for updating and maintaining the PCM2.1 system and BOSE amplifier. The document includes step-by-step instructions for checking and displaying current software versions and replacing or updating parts as needed.