one flat turns to four

[Huw Powell]

> The mini-spare is supposedly rated for 50 miles, so if the factory says
> you can use a mini-spare on your Quattro, you can be assured that even
> that much of a mismatch won't blow the diffs. If it did/could/might,
> Audi would supply a full-size spare and caution us never to use the
> space saver mini spare.

The space saver spares included with quattros are the same height as 
stock tires.