Originally Posted by Mike@N54Tuning.com
How new are the plugs?
I want to say they have around 8k-10k miles on them maybe less.
What is odd is when I changed the spark plug last summer the car ran fine afterwards and the misfire keeps happening in cylinder 5, none of the others have this issue.
So knowing that, I would say if its not the coil pack (which I will find out tonight if it is) then it has to be the fuel injector, right?
2008 BMW 335i e92-Agency Power DP's, Cobb stage 2, BMS DCI, BMW Performance Wheels
2005 Volvo S60R (SOLD)-3.5" downpipe, 3" straight pipe all the way out, IPD custom tune, IPD Intake, AEM Methanol Injection Kit, Bell Intercooler, custom 4-guage piller pod.....best 1/4: 12.9 @ 111