1998 BMW 540i Q&A

1998 BMW 540i Question: blue smoke from exhaust lots of.miss fire as well

soon as u start up clouds of smoke -
Answer 1
Sounds like valve seals. Engine oil in the top of the head will drain down the valve stem through a worn valve seal when the engine is off. Once you start the engine the oil in the combustion chamber will burn casuing smoke. This is not a cheap repair but you might try an oil conditioner product. -
Answer 2
sounds like you need diag and est as what is wrong and how much to repair could be several things -