The shopping list for one set of Bi-Xenons:
[1] 5K2 941 753 C Left Black, 5K2 941 754 C Right Black = 739,00 Euro (extra discount if 2 sets bought!)
[2] 2 x Xenon Controllers = 250,00 Euro
[3] 2x Philips/Osram Xenon Burner = 88,00 Euro
[4] Adapter Harness from Halogen to Xenon = 45,00 Euro
[5] Retaining Rings for Xenons from VW Parts, 2 x 5M0 941 645 = £13.40
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[6] 7L6 941 329 B +7L6 941 330 B, 2 x Power Module for Cornering light = 100,00 Euro
[7] Cornering Control Module, 5M0 907 357C = 100,00 Euro
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[8] Auto-levelers from KUFATEC = 219,00 Euro
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Note: (a) Items [1] to [5] for the basic fitting.
(b) Item [4] not required if Item [8] purchased.
Pretty good value overall IMO.
Any corrections and suggestions more than welcome.