Coolant level always normal.


Hey, im new to the forum and would like to get some help/professional opinion.
I have changed spark plugs on my a4 b7 . 2.0 t..
after mybe 5,000 km i’ve take them out to do compression test. And they looked bad .. i put some pictures . And hopfully some of you guys can tell me what can it tell about engine condition..
@&sorry for incorrect english im from israel&@.