Originally Posted by TrackRat
Is that OE extinguisher dry chemical or Halon based? Not trying to hurt sales but I wouldn't use a dry chemical extinguisher on an auto as it can cause considerable damage that you would not experience with a Halon extinguisher. The link below shows a 5 BC Halon that has dual steel straps and is excellent for those who track their cars.
Good question ... I would have to check on that ...
One the other hand, I don't think you would care how much damage your extinguisher can cause when your car is on fire. I think BMW did their R&D before they released this part.