BMW has been there done that. BMW learned what they needed to improve the X series, e.g. Hill Decent for one and sold it off to Ford who took what they wanted, e.g. grill look then Ford sold to Tata.
LR have had BMW engines...
https://en.wikipedia.org/wiki/Range_Rover_(L322)
People sure have short memories,
https://en.wikipedia.org/wiki/Land_Rover