E39 (1997 - 2003)
Hey guys, i got an M52 single vanos manual, so when i got the car 2 years ago it had 100k miles and 0w30 oil in it, and it had been ran like that, did not consume oil at all, however that was in the colder part of country, when i changed the oil i put castrol 10w40 for two times, since the first...