Genuine Audi MOST Bus Interface / MMI Control Module
Part Number: 4E0 035 541 P
Removed from 2009 Audi A4 B8 with working MMI system.
Fully tested before removal – no fibre optic errors or communication faults.
Originally designed for the Audi A8 D3 platform, also used across certain
A4 B8 / A5 / Q5 models depending on MMI configuration.
Please match part number and your vehicle’s MMI setup before purchasing,
as modules are platform and software specific.