Hello, wanted to know how far you should drive the tires. Mine now have 4 mm. Some say 4mm some 3 mm and others 1.6 mm. If I need new ones after what can I buy them? The tyre lid should not be the yellow of the egg, as you leave here.https://www.focus.de/…an-pneus-recht-abfahren_id_7933918.html