I've driven thousands of kilometers in cars with painters tape on the front end. It will protect from rock chips. One roll of 1 or 1.5inch wide tape is sufficient.
Hot: 2001 Estoril M Roadster
ZCP 19's, ZHP knob, JL 8W3
Cold: 2002 TiAg M3 6mt
ZCP 19's supersports, ZHP knob, UUC short shift GROM, OEM 18's w310's,
http://absolutehid.ca hid kit