'Move aside you ass! Otherwise I'll shove your trunk in your glovebox! OK, Ill take this one.'
Thanks to the anonymous commenter below for this translation.
'I'm glad he found a shady spot!'
'Hey! What the fridge is the matter now? Who's the BMW driver here?'
'Give it a rest, man! Chip-tuning does nothing!!'
Sign on roof: 'driving school', speech bubble: 'No! Don't do that Mr. Müller! First the blinker, then the flasher!'
Photograph more quietly! Feel free to continue photographing! It's important he gets used to the speed trap camera!'
'BMW driver! I'm already driving too fast, but he still wants to pass!'
'My new distance warner! If I fall back more than two meters, it beeps!'
'If I didn't have these new snow tires, we'd be pretty screwed!'