I spotted this in another forum and decided to share here as well.
There is some very interesting reading about planned BMW Shop purchases/upgrades (FoD - Functions on Demand) coming soon.
Also confirms that much of the hardware around heating is already in the car waiting activation, even if not optioned at purchase time.
It also confirms that owners of iX models with 5DN Parking Assistant Plus can upgrade to 5DW Parking Assistant Professional as long as your vehicle has 5DN and 322 present.
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BMW iX M60, Storm Bay with XPEL Stealth PPF, Exterior Line Titan Bronze, 1EW 22" 1023 Wheels, Amido Leather, Comfort Package, Interior Camera, Clear&Bold, Sun Protection Glazing, B&W Diamond Sound, Folding Towbar, Rear Axle Steering.