My series 1 is using loads of oil. the drive is covered. had a look underneith and oil everywhere. but i don't think it's leaking from a seal. i,ve taken my dump valve off because i think it was spraying oil everywhere. theres quite a bit of oil in the boost pipes as well. i did a 600 hundread mile round trip on sunday and i was puttin in as much oil as i was petrol about 5 liters. the thing is that the car does not smoke at all. Please help thanks