Cooling System Failure + Engine Damage - Extended Warranty / CPO Hello all - I am about 10 months into my first BMW - a used (one previous owner) 2003 330i on Extended CPO through Feb 2009. Just this last week I had a pretty serious cooling system failure that MAY have also damaged the engine - looking for thoughts on feedback on my case. A small amount of back-story - The only long standing problem I have had is an intermittent issue with the tail light warnings on the dash/console lighting up. I have brought it in twice for this, once with the service bulletin about adding the second ground to the tail lights and the issue was never completely resolved. I also had one of my headlights not come on for a day maybe 8 months ago, and never had the problem again - and in the first couple months of ownership the back-up sensor alarm would go off for no apparent reason - with a solid beep sometimes when the car was in reverse. The dealer was unable to recreate the problems and wrote them off. Well, on my way into work this last Wed the car went nuts... It started with a new yellow warning light on the console that appeared to be either a radiator or water pump light. my first reflex was "hmm I wonder if the ghost in my electical system has found a new home". Well after this light came on, then I got yellow BRAKE, ABS and DSC lights... At this point I thought I was experiencing some kind of strange electrical problem and decided to bypass work and bring the car into the dealer. Next, a strange warning light between the S & D on the transmission console lit up, then the whole console flickered, faded and died taking the radio with it. I turned off the radio, A/C, headlights, etc and about 3 seconds after it went dead it came back up with a "bang". Kinda felt like the system tapped the brakes once very quickly. It proceeded to do this 2 or 3 more times over the next several minutes. Then all the warning lights stayed off, and the car was still driving fine, engine temp was about in the middle of the gauge, so I continued into the dealer. A few miles out the car felt like it was riding hard, but at this point I had no valid or understandable warning indicators on the console and no way of really knowing what was going on. When I arrived at the dealership and killed the engine I could see steam coming up from under the hood. Popped it open and saw pieces of the radiator fan enclosure shattered every which direction. The service reps told me to start it up and pull it into the garage, and while I could start it, it just immediately died - so we ended up pushing it in. .... So the car has been with them since Wed morning around 7:00am and this is what I am being told so far: The computer recorded a high engine temp of 137.3C. It appears that the water pump failed and the system was not holding pressure. The are thinking that the shaft from the water pump to the radiator fan popped, and got stuck in the radiator fan blades, shredding them. They are guessing that the fan shattering into pieces caused the strange issues with the electrical system and stopped the alternator... They are waiting for an OK from BMW to open the valve cover to verify that there is no engine damage, and have still not determined the "official root cause of failure". Apparently though, if their is engine damage they may try and tack that as on me as negligence (driving on an overheating engine) ??? And I am told that the whole engine would have to be replaced. Best case the engine is fine, they replace the cooling system on CPO and I have my car back on Wed or so, worst case who knows... Apparently they should know more on Mon or Tues. In the meantime they have given me a 2008 335i loaner car... Sorry for the book - wondering if anyone out there has had anything similar happen and/or any advice on dealing with CPO claims with BMW.