It’s 20 years since BMW bought Rover, an anniversary that encourages discussion about whether the deal, usually seen as a failure, was a catastrophe or boon for Britain.

It certainly cost BMW prestige and big money back in 2000 when it withdrew from Rover, but you could hardly say it has since held the company back.

My own view is that though BMW’s withdrawal led to the Phoenix Four’s well-publicised shenanigans, the Germans’ purchase was a large stroke of luck.

BMW may not ultimately have been able to convert Rover into its UK outpost (a peculiarly hands-off early management style seems to have been one cause) but it left behind important industrial values and procedures that have been beneficial ever since.