Just bought a renew COE 523i F10.
Still learning everything about it.
Nice to know everyone here
Some of my own advice ... aside from the normal usual car wear stuff
I would Change atf and mechatronic sealing sleeve - most won’t do this. So this is preventive. To protect gearbox
See pix.
and check for pcv leak on the valve cover
Replace igncoils every 50000km perhaps to protect ECU
Electric water pump and the Thermostat