Compression test

[Ash3352002]

Carried out a compression test on my car today its done 170k and thought i would carry it out before i start the single turbo conversion
Results below engine was cold

Cylinder 1 - 170psi
Cylinder 2 - 165psi
Cylinder 3 - 180psi
Cylinder 4 - 165psi
Cylinder 5 - 170 psi
Cylinder 6 - 160psi

 

[bimmer325]

Doesn't seem too bad?

Is this an N54?