Why not just get a Thule rack? That's what I use on my Jetta, and the trays also fit on our Saab. The Thule racks are very well engineered and have yet to mar my finish any. Looks like you'd need the 369 foot pack and a set of load bars, plus the bike carriers. Maybe watch ebay for a set?

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1992 300D 2.5T
1980 Euro 300D (sadly, sold)
1998 Jetta TDI, 132K "Rudy"
1974 Triumph TR6
1999 Saab 9-5 wagon (wife's)