Tag Archives: N51

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

N51 fuel tank,fuel pressure loss

Posted on May 6, 2016 by bmwtechnician

 Today this car kicked my ass,,,,finally figured out the problem,,,,2011 E90 N51 engine,,,,,check engine light on,,,the fault was lean mixture bank 2,,,, so I checked adaption values,,,,found bank 1 at 8% and bank 2 at 9%,,,,so I smoke tested the … Continue reading →

Posted in Uncategorized | Tagged , , , | 18 Comments

N51 starter motor

Posted on April 16, 2016 by bmwtechnician

 Here a N51 on a E60 that decided to not start ,no crank and battery voltage is good,,,found starter motor inop.  This I how we replace the starter motor,,,,you just loosen the intake manifold,,,,release the fuel line and some connectors,,,,you … Continue reading →

Posted in Uncategorized | Tagged , | 4 Comments