The slow shutdown on BMW motorcycles is due to the inherent delay in ACC power-off of BMW motorcycles, which typically takes about one minute to power off. This delay is not related to the ACC of the CHIGEE Display. It's a known behavior unique to BMW motorcycles.
Slow Shutdown on BMW: Expected ACC Delay
A slow shutdown on BMW motorcycles comes from BMW's ACC power-off delay of about one minute, not the CHIGEE Display.