Hear, hear.BMW petrol engines aren't particularly fussy, a lot of the LL spec'ing was for the incoming range of high performance Diesels 20-odd years ago. There's almost no instances of oil related engine problems (short of not having any) on N52s so there's not even any point buying a brand name. I've used Halfords, Triple-QX and the like (correct spec, natch) for donkey's years to hyper mileages on various BMW engines.