Personally i'd be thrilled with new snails+valve cleaning for free, unless there's something pressing i'd call it a day there. Any other mechanical faults you can think of/identify? if so then of course bring that up, i'm talking about "little" things like airbag indentation etc.
E88 N54 Alpinweiss/Coral Red/Motiv HTA 3586r Tial .82AR/Other stuff...652WHP
F30 N55 XDrive EBII