Mine is a imperial blue 2018 Rex but with the 428 wheels, non S model. The dealer had a fluid black and a red S on hand when I leased mine. I would have taken the fluid black if it wasn't an S pkg car.
I couldn't see myself spending $3k more for the S, though I think the S looks better; wider fenders and your black wheels look fantastic. It would have made a $100 difference in the lease payment and I couldn't justify that. I'm curious if one notices the 14hp difference and if the 20" v 19" wheels are noticeably more uncomfortable.
The imperial blue I have was the only unit at the dealer with the specs I was looking for, Tech pkg was a must, and I'm so glad I didn't compromise on that. It was not at the dealership but at storage lot nearby. I had never seen an imperial blue and would not commit until I saw the car in person. My first impression was that it reminded me of a 750Li, or 550i wrt to the color. It is not the traditional white/blue/black "techy" color that I think personifies a lot of i3's.
I've never owned another i3 but had a 2014 i3 Rex for 2 weeks straight back then as a loaner while a part was crossing the ocean for another BMW. I really enjoyed the 2014 i3 while I had it.
About the only thing I didn't like was that it was rather busy at hwy speeds. It seemed to need constant corrections in a lane and felt quite twitchy on the hwy. At the time, that alone convinced me that I couldn't own one. I wasn't sure if it was the narrow tires, or that it was the suspension geo on that particular car being out of spec. I've had several M cars, 3's, 5's, and I could not imagine dealing with the constant tramlining.
Cue up the 2018 and it drives like a completely different beast. It's currently one of the favorite cars I've ever had. Not feeling like I must have a car with a 170mph top speed or one that can generate 1g in every turn has freed up my ability to appreciate a car like the i3 enough to own one. I love the interior, the simple dash and interface, and the minimalistic nature of the i3. The current idrive 6 is a nice improvement on the older gen idrive's. It reminds me of an ex's apartment in Copenhagen.
I do miss nappa leather, comfort seats, and the ability to set the cruise at 85mph w/o watching the range drop off a cliff, but I've evolved a bit when it comes to other must have's in a car.
BTW, mine is going in for 35% huper ceramic in the AM. I'll post pics in the accessories forum when done.
Enjoy yours! It's sharp.