I see, that's actually what I thought. BMW's mobility kit doesn't list any specific limitations unfortunately (though I'm sure they exist), but you should be aware that a similar kit made by Continental Tire (ContiComfortKit) does so and the 20" tires on the E70 fall out of their recommended range. See link. Maybe it has to do with the quantity of goo, or maybe they just think above a certain size is unsafe to patch with such a kit. I dunno. So just be careful, I'd hate for you to get stuck and find out the hard way. Also keep in mind that the goo can't be great for the tire pressure module mounted on the inside of the rim.
Accessories - Continental Tire ContiComfortKit Fitments for 20" Sizes
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Originally Posted by Ag4.8
Well since I have the third row, I don't have a spare. So if I get non RFTs I will buy one of those tire repair kits (compressor, tire slime, etc). It won't fix a blow out, but would give some piece of mind.
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