Honestly, while this may feel like a crappy situation (and it is), be glad that the golf ball hit the windshield rather than a body panel (especially a rear quarter panel). It could have been much worse.
Just call your insurance. I doubt your rates will even go up.
Jet black e92 6mt 335xi:
18" BBS RGRs, KW v1, ESS Stage 2 flash, VRSF 7" FMIC, VRSF downpipes, JG Mods m-tech front, mtec V3 AEs, BMS OCC, hardwired valentine 1, p3cars gauge, amber delete, sport seats, factory oil cooler.