The next problem is that he has been eating a lot of oil for 6 months, about 3 l on 1500km, there is no leak, no oil in the cooling liquid and does not smoke very much…the only thing he does is to start driving at first no power, only from 2000 rpm, then he goes through full again. Thank you very much for your help. chon times for your tips-ach so forget to write up 2,5 l -106 kw