it dont take 10 hours 5 max
I have heard the front body work must be removed to replace timing chain. Ck out the U Tube videos on this work,Time would depend on the experience level of the technician; is your independent shop a BMW/MINI shop or do they service all makes? Call your local BMW/MINI dealer and ask them for the labor hours for a timing chain replacement.
no need to pull front away to do timing chain on petrol mini,, its engine and gear box out on all diesels after 2010 when bmw used the n47 dieselsI have heard the front body work must be removed to replace timing chain. Ck out the U Tube videos on this work,