Found a second bus in Dubky. As soon as I started it, it kicked 90 degrees and made itself stuck in the geometry of the curb as shown in these attached images.

We have been attempting to recreate this - we tried against civilian zombies to no avail. When we returned to the tent city at NWAF, we were able to immediately recreate it by shooting at a distant zombie with a suppressed Gloch. It was the same person, my friend, shooting her suppressed Gloch. The three of us logged out and logged back in. She gave me her suppressed Gloch and I shot at a distant zombie. It died and an invisible zombie charged our group and began attacking my third friend. Totally recreated.

Same group--hours later. My friend shoots and kills a zombie at a distance with a suppressed pistol. Invisible zombie screams from far away, but begins attacking us up close. We were at the far northwestern roadblock, west of Lopatino.

Yes, that was the building where I encountered the issue. I had both large doors open and wolves did not appear to be able to see me, and they slowed down to super slow motion.

Actually, the drum did not disappear. It shot into the sky. Here is a screenshot: https://s29.postimg.org/7iu2otdzr/Day_Z_x64_2017_02_10_10_05_18_98.jpg