Once again, when travelling overseas you need to include some basics such as a warning triangle, hi-vis jackets for all passengers, spare bulbs / fuses, roadside breathalyser kits, headlight beam adjusters / stickers, a GB badge, a first aid kit and a fire extinguisher etc. We’d also suggest you pack a good quality jack (and check that your spare tyre is in good order), a fairly comprehensive toolkit and a bag of service items (fanbelt, distributor cap / rotor arm, points, condenser, ignition leads etc).
And don’t forget some kind of emergency cover (AA / RAC / Green Flag etc), and be sure to check that your vehicle is fully covered in every country you visit before you set-off. Oh, and it would make sense to check that you are…