Happy to see this, because it’s fully deserved. Let real coders do the job!

Just take out your rotary tool, grind a notch into a bit, et voila! You have a tool for your BMW.

Setting the clock on each boot, after the rechargable CMOS battery died, sucks. I speak from experience with Dreamcast consoles. Best you solder in a battery holder and put in a new rechargable coin cell. … or add a diode and put in an ordinary non-rechargable.