Law / Costs for importing a car from Germany to Poland. [34]

NO you do NOT have to pay vat or duty on any goods imported from another EU state. That's why... um.. it's called the single market. You just have to put it through the Polish MOT then pay any registration fee.

Life / bed sheets in Poland...are them shorter ? [19]

I'd emerge in the morning slimed down after being squashed all night under all that lot. :)