Hi
It's a facelift 4.4
It's off at least one cylinder on  start up and when out for a drive you can feel it to
It seems to come and go if I rev it a tickle the engine smooths out  could it be a fuel pump issue would a bmw scanner1.40 help me ?

Cheers

Hi the x5 has not been over heated it only bought it as it was a mates and I
Did a compression test when we changed the coils
Could it be a electrical fault
I tested all the wires to day for continually and the wires to the coils are all
Intact 
What else can I check ??

Hi I joined this site after I bought my first x5
It has been a wealth of information as it helped me pick the correct angle eye bulbs and steer me towards carphonics for the tv upgrade but now I have a problem

It a e53 4.4is o3 build date and it's off a couple of cylinders
I replaced 8 coils and ...