Reg, the late build 3.7 Roadsters, especially the 5 link ones seemed to be built to a good standard, very few on here report issues - so hopefully you've hooked a good'un
Like Richard, mine's also a 2018 and I've also upgraded stuff like the change to SSL dampers (and their full front end kit) between us we've probably put over 60k miles on them without anything serious falling off