Personally I think it's a bad idea. Over in the USA that would be called a "salvage vehicle." I believe your insurance rate would be different (higher) and forget about trying to sell it and get a decent amount. That sucker is basically yours forever. Here is one example.

http://cgi.ebay.com/ebaymotors/BMW-X5-4-6is-SPORT-2003-BMW-X5-4-6is-BLK-DVD-PDC-FULLY-LOADED-20-HID-GPS_W0QQitemZ180329141840QQcmdZViewItemQQptZUS_Car %20s_Trucks?hash=item180329141840&_trksid=p3911.c0 .m1%204&_trkparms=66%3A2|65%3A3|39%3A1|240%3A1318

Auction # 180329141840. Listed it a bunch of times, got 1 offer for $9,500, and this on what was basically an $80,000 car.