02e46m-sport 1 Report post Posted July 31, 2013 hey fellaz any ideas as to why my e60 rough idles when cold? no warning lights or fault codes Quote Share this post Link to post Share on other sites
dr_kahu 8 Report post Posted July 31, 2013 hey fellaz any ideas as to why my e60 rough idles when cold? no warning lights or fault codesNot necessarily this but just throwing it out there - PCV?Other symptoms of this may be the rich smell and occasional whiteish smoke (which gets progressively worse as time goes on). It would begin to chew through oil too. Quote Share this post Link to post Share on other sites
Allanw 1065 Report post Posted August 1, 2013 Could have a vacuum leak too, or really bad Vanos. Or sticky ICV Probably need to see some live data Quote Share this post Link to post Share on other sites
02e46m-sport 1 Report post Posted August 1, 2013 Not necessarily this but just throwing it out there - PCV? Other symptoms of this may be the rich smell and occasional whiteish smoke (which gets progressively worse as time goes on). It would begin to chew through oil too. no white smoke or rich smell, yeh from what i have read vac leak seams most common, how do i check for vac leak? Quote Share this post Link to post Share on other sites
