Ouch. Sounds like your dealer was taking you to the cleaners. You can get maps from Navteq for about $200 (I get mine there and they have VW's). This still isn't cheap, but it's part of the price you pay for such luxuries.

Eric

'06 Magnetic Pearl HCH w/nav

'04 BMW M3

'05 GMC Sierra 1500 Denali