Bimmersport and RMP both have GT1 machines and can both do this for you.
This actually shouldn't be too expensive at the dealer (i paid 58$), but if you do go to the dealer, make sure they tell you how long (labour) it will take BEFORE you drop the car off. This process takes 10 mins.
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Hot: 2001 Estoril M RoadsterZCP 19's michelin supersports, ZHP knob, JL 8W3
Cold: 2002 TiAg M3 6mt
deoranged, dechromed, led tails, ZHP knob, UUC SS v3, GROM, OEM 18's w310's,
Fun: 2006 YZF-R6, black, ohlins, pazzo, graves