I had to use the adaptor a couple of times early on. It's a pain.
As posted above there are 3 sizes of nozzles out there. Here in the urban areas I haven't had any issues finding the correct size nozzles.
Haven't had a burp in a long time either.
Practice makes perfect.
2010 Black 335D Sport/Premium, Michelin PSS 235/265
2000 Silver Z3 3.0i (Ret)
1999 Silver R1200C (Ret)
1968 Black 1600 Coupe (Ret)