Thank you for your diligence in posting this information. Jesse helped me get my Blue Cruise up and running this summer (my truck is a Canadian import). It amazed me at how easily and quickly he was able to accomplish the task whereas 8 visits to my dealer netted zero results.
My question is...
32,000 miles into my '21 Powerboost and the only times I've used Premium is when I am towing. Truck runs great on 87, and I only buy from Top Tier stations (Marathon, Costco).
Here's the official list: https://www.toptiergas.com/gasoline-brands/
Don't know why someone shat all over the PB, I simply love mine. I recently overcame a long headache getting Blue Cruise to work, and now that it does I'm completely sold. Plus, the upcoming BC 1.4 version is supposed to iron out the little kinks that folks have been noting in the forums...
I have had issues with similar seat seams throughout the years. At 6' 1"@ 186lbs with a bony butt, I had that issue with my $100k Audi A8 that had 22-way adjustment and I could never get my butt off that seam. I did not test the Lariat and Platinum back to back but my Plat seam does NOT bother...