If you're of a cautious nature, insurance might be worthwhile for your piece of
If you have an accident on the ring you pay for any damage to the barriers and also recovery from the track of your car. If you have an oil leak, for instance, that is bad enough that they need to shut the the track for an extended period, they have been known to charge for that too.
Having been round the ring as a passenger I can say that there is nothing to beat it. A total petrolhead nirvana.
320i Sport - AW, 397 alloys