It remains to be seen if BA (or IAG for that matter) would cede control of the operation for a marginal gain! primreamer you forgot to add VR!
If any of the quotes come in at under 90% of what it costs now , then I am thinking that LGW maintenance will go.
Incoming provider would take on a big proportion of the existing staff under TUPE and Transfer up to the Mother-Ship is another option being mentioned. VR not mentioned as yet.
Expecting the bidding/ negotiation with new company MRO will take 3-4 months and the take over happening start of W16 season.