Take it to RMP. Its worth travelling an extra 10 minutes, especially when you have a broken e38. Give the shop a call, 905 951 0002.
Also, you've posted in the wrong section (this is for the Z roadster/coupes)
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