I agree that those are good to look at next. If that doesn't point you to the problem, consider a compression check to see if you burnt a valve, broke a ring or something like that.
Good luck and keep us posted.
Most problems are usually something simple !
Originally Posted by noego
It's Deja Poo - as in, I've heard this **** before.
Calypso Red 1992 525i with 200K miles
1991 735i - Sold
1992 525i - Sold
1995 325is - Sold
2000 528i - Sold