There are notes on each scheme users accounts, that mention how many early terminations and the like you may have had.
Motability allow upto 60,ooo miles as part of the contract and a mileage charge if you go over, so unlikely there are concerns here, as it within the contract.
Bumps chips and dents are covered by the GCB/GCP, so I guess it will be noted if you aren’t permitted this payment.