Possibly, but makes no mention of a BMW connection.
It's also full of inaccuracies about the UK connection.
Just two examples. They said it was bought by British Leyland. It wasn't - it was bought by Rover when still an independant company. Rover later became part of Leyland.
They said it was fitted to the MG B which became the MG C. The MG C was an earlier vehicle fitted with if you want the Austin Healey 3 litre 6. An extremely heavy cast iron donk which spoiled the handling. There was, however, an MG B V8.
*The* bible on the subject of the UK version of the engine and the quirky way it was acquired is David Hardcastle's The Rover V8 Engine.