Antifreez flush - while you are in there

[BimmerDob]

So looking at '03 4.6 with just under 70K miles. Time to do an antifreeze flush. Just did front outer CV boots. So with age (more than miles) I suspect rubber / plastic is past it's sell by date.

Not asking which antifreeze to use, many threads on that topic.

Plan to inspect antifreeze for any signs of water pump fin plastic and other tell tail signs.

Also plan to inspect all hoses (still original and getting on 11 years old).

X5 has been a low mileage ride most of its life, but now I am putting it to work towing to tracks.

So thinking preventive MTCE to reduce risk of getting stranded.

If I start down the refresh of cooling system, I will do all hoses, thermostat and I guess a water pump. Any other "cooling system" parts to consider "while I am in there".

Valley Pan?
Belts? Already replaced AC Belt.