Originally Posted by Parbox
thanks. do you know if it the same oil. mine is quite a drinker and all the oil I have purchased has been called Castrol TWS. Same 10W-60 rating though.
Same oil.....BMW owns the TWS rights iirc........and BMW recommends Castrol for its M cars,
although there seems to be a worrying amount of Bmw dealers using Mobil 1 in place of castrol