How about the Orange County Fairgrounds?

http://atlas.mapquest.com/maps/map.a...tate=CA&zoom=8

1. The parking lot is huge
2. Multiple entries into/out of the lot
3. Easy access to Highway 405 and 55.

I have only been to the parking lot of the OC Fair, so cant comment on the place in whole, but just thought I would throw it out there.

Other suggestions to Bimmerfest?

1. Wherever you have it next year, have a specific entry or two for those BMWs that will be part of the venue. Other entry for non BMWs as well as those that just want to get in and enjoy the fest.

2. Make a map available of where each and every sponsor is located in the venue.

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2008 528i,Black Sapphire, Black Leather with Natural Brown, Anthracite Header,PP,SP, Moonroof,LoJack,StoneX,Xenons,Heated Seats,Sirius,IPOD/USB, Chrome Valentine One!, Delivery 5/17/2008