It is very easy to do with Scanner v1.40 . You are not touching many of your subsystems, so your tune will not be affected. All you will be doing is changing you Lighting Control Module setting to tell it what kind of lighting you have. It is as simple as checking Xenon and saving.
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Engine swap, HG, tranny swap, GM & ZF tranny rebuilds, shocks, struts, brakes, WPs, Thermostats, belts, tensioners, fuel pumps, radiators, window regs, hoses, PS pump, Spark Plugs, VCGs, coils, fuel filters, CVVs, VANOS seals, rack, LCABs, Exp. Tanks, OFHGs, RCABs, OP, boots, ABS, GUIDOs, starter, A/C, DISA, Diff, SAP
Ultra Premium Grand 10 Star+ Super Duper BMW-pedic Sport Plus +++