35d Extended Emissions Coverage Question (CEL Illuminated)

[crystalworks]

Posted this on another forum but posters here seem to be a little more DIY oriented when it comes to repairs so figured I'd ask here as well.

Which components are covered by this? I know that multiple extensions on individual parts have been issued and was hoping to get a consolidated answer here. So far, I have found:

HPFP - 10 years/120k miles

F10 5er has the below, do they also apply to the F15 X5?

NOx Sensors - 10years/120k miles
O2 Sensor - 10 years/120k miles
EGR valve & cooler to 10 years/120k miles

Reason I am asking is I am trying to determine to diag myself or just take to the dealer. I imagine min cost would be diag of ~$250. Recently got CEL when cold front came through and freezing temps rolled through for a week. Codes as follows broken up by system/module:

Code: 253400 DDE, Swirl flap actuator, position control. Swirl flaps open too wide
Code: 26F500 DDE, SCR System efficiency too low
Code: 26F600 DDE, SCR system efficiency too low (metering)
Code: 288B00 DDE, Power management: Standby current violation

Code: 805268 SCR, Recirculating pump unit activation not plausible

Code: 482943 EDC, vertical acceleration sensor value implausible
- $201.11 Front Strut Acceleration Sensor @ Turner Motorsport pn:37146876451

Already ordered the accel sensor as indicated, though unsure when it will get here as Turner just emailed saying it's delayed to ship until 15 March. Any thoughts on the others? Should I just take it in? Pay the diag and go from there? I will not just clear SCR related codes as I have learned that lesson already with our E70 diesel where the reset triggered the no start countdown.