I saw the ultimate in broken roller displays today at Heriot Watt with 131. The thing was displaying Pencaitland on route 56 when it drove in, which confused the hell out of me, with a wonky 6 stuck halfway between 6 and 7.
Eventually realized it was actually the 45... These things need to be fixed or done away with.
I think the earlier B7TLs and B7RLEs had Bright-Tech blinds and side LEDs fitted from new. However, Bright-Tech is no longer with us so parts for them might be difficult, if not impossible to come by.