Are these SIBs covered by BMW or just a recommended way to fix the issue at the owner's expense (when the X5 is out of warranty)? I have a 2002 X5 and would love to know!

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2002 X5 4.4, Stahlgrau Metallic, 55k miles
Sport, Cold Weather, Rear Seat Heating, Rear Climate, Nav, PDC, Electric Rear Seat Back Adjustment, Rear Shades
Current Mods: M steering wheel, Mk4 Nav Retrofit, Intravee/Alpine/SpecDock, Cosmos Schwarz Interior Trim
Coming Soon: Hood Protector
Wish List: Aluminum Running Boards, Rear Backup Camera, 20" Staggered Style 87s (Black), Hitch Retrofit

1996 318ti, California package (plus tons of mods), Aqua Metallic, 237k miles