When you get your membership through, yo will finds several threads helping with those points, mostly in detail. Rear reluctor rings can be fitted to the driveshafts, which is good because driveshafts are in low supply or NLA. If the steering clunk is a "pogo stick" feel, then almost all do that on full lock, and is nothing to worry about (tends to be related to type of tyre too). If yo are getting 'groaning' as well, then it could be the front strut top mount bearing seized or worn, causing the spring to judder as it rotates turns. They are cheap as chips, and easy to diagnose and replace anyway.
Sunroof could be anything, from fuse up!