I believe it can be reprogrammed on a e46, but i think only with a GT1. Give RMP a call and ask.
d1s bulb canada
Hot: 2001 Estoril M Roadster
ZCP 19's michelin supersports, ZHP knob, JL 8W3
Cold: 2002 TiAg M3 6mt
ZCP 19's michelin supersports, deoranged, dechromed, led tails, ZHP knob, UUC SS v3, GROM, OEM 18's w310's,
hid headlights hid kit