Firstfives.org

Hello all,
Tested compression during a plug and wire swap on my '79 528i and got around 110-120psi on all cylinders. I was trying to find where this is on the spectrum of tired engines, but couldn't find much. What is the original compression on an m30? Is 110 low enough to consider a rebuild? Also ...

Thank you, Mike W. !

I am working my way through rebuilding my brake calipers on my 79 528i. Almost all pistons were frozen. I have removed them from the calipers with the help of a diesel injector pop tester. As I am trying to get them cleaned up I have a couple of questions for those of you with more experience;

A ...

Finally got it in the air and tried reverse. It turns freely and I can even come of the clutch and it will spin. However, when I put it back in neutral, wheels stop turning almost immediately. Not sure if this is normal, but I'm pretty baffled at the moment. I'm going to have a look at the parking ...

Thanks Mike,
Is it possible to disconnect the parking brake to check if that's the culprit? Not ever really messed with the parking brake before.

Hello all,
I recently purchased a one owner '79 528i (already have a '79 e21 and a '90 e30). I have wanted an e12 for a long time, so when I saw one fairly close by, I snapped it up. It has apparently sat a lot in the last three years as the PO dealt with some health issues. overall the car is in ...