gunge

How long a life does the puncture repair fluid/gunge last from MB as I can't see any expiry date?

Hi, my wife has managed to get splashes of gunge up the grill, bonnet, windscreen and roof of her car (BMW ;) ), it is really quite tough, almost like superglue - it is almost but not quite 'set' apart from on the chrome surround to the grill vanes where it is solid and looks like a tan / resin...

i appear to have mixed two different anti freeze types resulting in a chemical reaction (never heard of this before)??instead of anti freeze i now have green slime-- was told to flush out system i have now done this twice to no avail (water pressure wont dilute it) does anyone know what will...

Just checked the header tank - Gunge, oily mess. What are the likely causes, head gasket? Car has had no problems, only came to light when the level warning came on.