I have a 1989 325i (M20B25) that is getting a new head because the last one bent all the valves. I have a buddy with a head off another M20 that ran perfect before it was pulled, motor was pulled for an S52 swap. My question is if i get it all cleaned up and check it with a straight edge for any imp...

Hey, I'm looking to buy my first car and an opportunity to buy one of my dream cars, an E30, came up and I could use some advice from people who already own one. The price is pretty cheap for my country, around 5k €, but it's a family member selling it so I trust it a little more than the usual sell...