I saved £24,000 on list for my '21 and I'd be very surprised if similar discounts were available out of the gate on a '22.
Sure some of the new stuff would be nice, but it wouldn't be long until you get a similar feeling of buyers remorse when leaks and spy shots of the next gen X3 start doing the rounds. Spy shots of the G01 started appearing in 2015, 2 years before launch.
I'll definitely be grabbing a pair of LCI taillights though