I had a TPMS warning on starting up my 575 today. Checking the tyre in question, I found a screw in the top of the sidewall. It was above (closer to the tread than) the oval with the date stamp on it, where the sidewall starts to curve round to the tread. sticking out more or less perpendicular. There are a lot of building works with messy builders in my area. So my first thought was, an irritating accident, I had driven over a loose screw. But looking at the angle - that started feeling very unlikely. That’s not a part of a tyre in contact with the road unless you are going sideways - and even then.. I had left the car parked in a nice area, near my mother’s house, a couple of days prior. Would someone really have dug a screw into a tyre, instead of another kind of vandalism? Ferrari envy can of course strike at any time. I don’t know whether to believe the conspiracy theory or the coincidence theory. Both have flaws. The tyre itself doesn’t bother me so much as it was more than 5 years old and up for renewal (though in these times it’s not so easy to change tyres). could a screw really make its way into a tyre at that angle by non-human intervention, though?