There was a farmer on a tractor doing some work in that vicinity when I was there, so it was a no-go. I immediately recognized it when I drove by.
My alternative photo location was a small parking lot right on the edge of the town of Schwangau, with a clear view to Neuschwanstein. I used my 55-200 VR at about 80 mm, f/18, which allowed me to get the castle and the car in focus.
The location ("Official" location circled in light blue, my legal alternative is the "A"):
Without polarizing filter (notice the glare on the windows and the blue tint to the forest ):
With polarizing filter (no window glare, nice colors, sharper woods ):
July 9, 2008, ED
2008 BMW 335xi coupé | sparkling graphite metallic | black leather, aluminum trim | ZPP | ZSP (18") | ZCW | HD radio | iPod | rear sunshade | 6MT | Status Package