[singularity]

Here's a list of known problems and solutions by owners, hope it's helpful for current and future M5 F10 buyers.

1. Problem: Clunking / loose noise from rear on bad roads
   Reason: Confirmed factory defect spring coils.
   Solution: BMW releasing replacement spring coils in December 2012
   Reported by: singularity
   
   
2. Problem: Wind rattle/fan rattle sound when car is under throttle
   Reason: Loose pipe clip on induction system
   Reported by: burns all, singularity
   
   
3. Problem: Brakes pedal becomes very soft after a few minutes of stress driving. Beware of increased brake distance.
   Reason: Bad factory brakes. Choose ceramic brakes or don't race for longer than a few minutes.
   Reported by: singularity
   
   
4. Problem: "Drivetrain error. Maximum power not available"
   Reason: Legacy flaw in fuel pressure sensor / high pressure fuel pump.
   Solution: Possibly fixed on cars produced after February 2012.
   Reported by: phish_100, singularity
   
   
5. Problem: Brake system failure/Tyre pressure sensor failure/Driving Stability Control failure
   Reason: Brake pad sensor failure
   Reported by: phish_100, singularity

Sorry for my bad english, gonne edit topic as more people report solutions. Hope it helps.