I have a series 5 and late one nite I was flying along and I flet change in the car a little loss in power. I took her home parked her up noticed that it sounded a mumery. In the morning it wouldn't start it sounded like it was flooded so i push started it (it started) but when it was idling the revs were going up & down. For the rest of the day she started up with a turn of the key. I changed the spark plugs (no change). And the neddle on the boost gauge only sits on 0psi .



please hlep me

 

It could have to do with the airflow meter.

 

Maybe a vacuum or boost leak?

 

Thanks

13bAce I'll try that

 

Let us know the results.