The exploding fan is at least a somewhat known issue. It has happened to quite a few people. It's been a while since I've seen a thread about it, but there was a time when it was not an uncommon occurrence.
"People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf." -- Geo. Orwell
2006 330i Sonora w/ ActiveAutoWerke flash tune :-)
2004 330i ZHP Imola/NB - missed
2000 328i TiAg - gone but not forgotten
BMW CCA member #388003 - www.bmwcca.org Use me as a referral, you could win a one day ///M Driving School!