Yes C unit will work in B7.
No problems if you will install in B6.
B5 need to use A6 units.
No problems if you will install in B6.
B5 need to use A6 units.
Is there not someone from this forum local to you who can do the re-coding - to save paying the dealer?spassmore said:Will book it into the dealer and let you know how it goes.