Tag Archives: valve cover

N51 the whistle

Posted on January 4, 2017 by bmwtechnician

 This is a famous noise that some of you BMW owners have heard,,,,the check engine light was on,,,,the car had a lean mixture on both banks,,,,I test drove the vehicle and there was no noise,,,I also had the car idling … Continue reading →

Posted in Uncategorized | Tagged , , , | 6 Comments

N20 valve cover cracked

Posted on September 10, 2016 by bmwtechnician

 I know no big deal,,,,a stupid valve cover off of a N20,,,,it was a big deal,,,,we had a lean fuel mixture,,,we first thought we had the typical fuel injectors,,,but spark plugs looked good,,,,we then noticed some oil on top of … Continue reading →

Posted in Uncategorized | Tagged , , | 53 Comments