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)
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2002 TiAg M3 6mt
deoranged, dechromed, led tails, ZHP knob, UUC SS v3, GROM, OEM 220M 19's, Michelin Supersports
2006 YZF-R6, bunch of go-fast stuff