I currently own a 2015 P85D covered under the factory CPO warranty. So far that has been a very useful asset due to several minor issues (door handles, tie-rod, trunk latch, MCU, etc). However, a friend has a 2012 P85 that was just totaled by insurance due to a minor rear-end collision. No airbags, no structural or battery damage. There are no warnings at all on the MCU. The vehicle just received a new battery under warranty and the P-motor was also replaced only a year ago. He's offering to sell it to me for the insurance buy-back price. I think that I can replace the rear hatch for under $5k, including paint. My question is, what other issues might I have with car in the future. I have read the threads and I'm mostly concerned with parts availability and supercharging. It appears that once the title is flagged as salvage that supercharging will go away. Is that true? This car will be out of all warranty in a few months, so I'm not too concerned with software updates. Assuming it's on the current software, is it possible to root the MCU and roll it back to keep supercharging? If so, what features will go away? I'm assuming the map and nav system, but I have no idea. Please provide your input. I'm thinking this would be a good deal, but my wife thinks it's a can of worms that I shouldn't mess with.