Rear sensors were an option on the X200, I have them on mine. So it may be worth looking how Jag did it, there might even be wiring and suchlike you can pick up on. Not sure about the fronts though, as I think front sensors were only options on the later, facelift models 😉
hi
Ebay, but dont know if its worth it, last map was 2012, roads have changed a lot
I upgraded to jagdroid, superb bit of kit, depends wether its a keeper
cheers
Joe