so.....back to the original question......anyone think this Motul LL01-FE 5w-30 is any good? or stick to BMW TPT LL01-FE 0w-30....or last choice being pennzoil platinum euro LL01, 5w-40? i am down to those 3 choices in my own head, for intermittent 5k changes. if it makes any difference i do a...