My 2009 R56 JCW will not run. I can start it but the engine dies immediately. The engine light is not on. I changed out the high pressure fuel pump and still will not run.
However, When I unplug the Mass air Flo Sensor the engine does run. This makes believe there is a vacuum leak or air getting in somewhere.
Thanks for any Help
Mark

 

Check the hose that runs from the back of the valve cover to the intake manifold and see if its not attached.

 

Thank You so Much!!!!! The hose was very loose.
That was the problem & Runs Great Now
Thanks again for your help
Mark

 

Sweet, glad it was something easy!

 

Nice! I highly suggest to buy iCarly or choose your fave car app and an adapter for future use. Helps immensely.

 

I Will!!! Thanks You For all your Help.
Saved Lots of Money from not having to take my Mini to Dealer