This doesn't even make sense. That's like saying, "Don't buy anything because it will come down in price."
There are a few reasons why getting a 2020/early 21 is better. Tuning w/o Russia is one, probably.
I had an M3P until sometime late last year, I also have a pre-order for a Cybertruck.
Teslas are-- fine. They do exactly what they say on the tin (ignoring self-driving shit). The M3P was reliable, got me around town for cheap, punchy on the highway, great for trips. I pre-ordered a Cybertruck...
I think this picture illustrates this best. If whoever you bought the aero from claimed that was paint-matched, I'd get a refund. The white is clearly brighter/not as beautifully pearl as the rest of the car.
Believe it or not, some people like to drive their sports cars to their cabins, because the drive is fun. Then when they get to their cabins (or whatever your vacation property of choice is) unload the bike for a weekend of mountain biking, and carve up the mountains in the sports car later.
Immediately after you do all the other stuff stated above drive the car to a performance shop that you trust and get an alignment done.
The alignment from the factory is complete trash. Should be around 200-250 for a quality alignment. It's beyond worth it.
Also, do all the BimmerCode shit.