BMW M20 E 34 REBUILD

Bought the engine yesterday. shout outs Andre. $100 WEIRD. Well We went and pulled this m20 out of an old e30 to replace an old m20 i have in a 89 e34 . cylinder 1 and piston 1 wobble. will have to see why ? piston rings? cylinder wall? in the mean time this is the replace bottom end for the car . was told only had 82k miles and sat for 2 years.