ramrodAs above,
I would also pay special attention to the balance shaft belt (I cut it off on my B234 cars as it isn't needed and can derail the cam belt if it breaks), the oil pump pulley (replace it with the updated thicker item), and the oil pump pulley bolt (I bought a 12.9 grade bolt and washer and torqued it to 55Nm with loctite)
They are a very reliable engine provided you prevent the bad things happening.
Proper Preparation Prevents Piss Poor Performance
We are going to look at these detail items at the next routine service. The idea of today’s inspection was mainly to identify things that aren’t usually checked at routine services. Although my mechanic knows to check all those things for me because I’m pedantic about keeping on top of them.