i'm think the answer is yes to resistors and yes to error msg. check over at e90post.com b/c a few people have tried the same thing.
I have bought GP Thunder h8 bulbs for AEs and fogs but haven't installed yet. matches HIDs pretty well though

__________________
Paul Seto - BMW Car Club of America
National Capital Chapter (MD/DC/NoVA), Social Chairman

2002 Gray Green X5 4.4i
2007 Space Gray 335i coupe
2000 Titanium Silver M Roadster

Become a BMW CCA member . Click here to join online

Join our new NCC Facebook Page

Support me in this year's Bike MS Chesapeake Challenge!!!