Infra red drying is the older technology.
UV is the newer technology and is very quick drying, but not too many places make it yet.
Best is to look for a place that uses top name brand products.
Spies Hecker(Dupont), Standox (Dupont) and Glasurit (BASF) as OEM BMW paint suppliers.
What may be a little more resilient than the UV dried paint is the old solvent based paints ( as opposed to the new water based paint).
But I dont know if they may still sell it in Europe.
BMW if you are reading, I need a job, Please. (Really, I do. Unemployed. 2016)