Engine teardown: well vs poorly maintained engine comparison [PICS]

So about a year ago I did a M54B30 rebuild. Bought a totalled 330i and pulled the engine, to replace my B22 engine in my 320i. Opened it and completely rebuilt it. I do not regret this, as the inside of this engine was nasty as fuck! Later on I realized it might have been better to simply swap some parts over instead of cleaning them, such as oil pan, timing cover, ...

As nobody wanted to buy my B22 block, not even for a few bucks, I decided to tear it down and sort out the steel from...

Engine teardown: well vs poorly maintained engine comparison [PICS]