rebuilt m20 2.7i wont idle kinda revs , found out problem hahah

[bmwstudent]

Isn't there a dowel pin that prevents this from happening?

[e30m20TurbO7]

nope but theres a little hole that lines up with a little hole on the crank gear but other than that it can go on 6 different ways

Isn't there a dowel pin that prevents this from happening?

[jlevie]

I put the harmonic balancer one bolt off and it was not positioned right causing ignition timing to be wrong

If the dowel pin is present the harmonic balancer will only go on one way. If the dowel pin is missing, it needs to be installed.

[bmwstudent]

And jlevie comes in for the win.