This appears to be a very old thread but I faced this exact problem when I bought my i3S 3 years ago. I ordered a compact spare with a jack and a lug wrench and a cover from a place I believe called Compact Spare. They have the right offset for the i3. They also sell spares for Teslas and such so you can find them that way. The whole thing was about 400.00 I keep this spare set up just behind the passenger seat. I have so far never had to use it. I also bought a set of cast 19inch wheels with Blizzaks from Tire Rack and swap these off every Dec. 1 and April 1. I keep an old but usable original tire and have four tries new stashed in the garage. So you can see I am paranoid on the issue. But I have never had tire trouble.
I would not bother if I was on your place. Most probably you'll never be in such unfortunate situation again, with your i3. In my case with i3s, I changed all tires to 195/55 R20 to get wider contact area & reduce PSI, I am carrying a 500cl tire repair foam which I did not use yet. If you are willing to carry a spare at all cost, I suggest to find the tiniest spare tire/rim combo with 5x112 bolt pattern. That will do the job until you repair or replace the damaged tire.So it happened on the freeway driving home. Went over probably a sharp blade like object and it resulted in a nice 2 inch gash. Tire repair was out of question. No one here in Los Angeles had this tire in stock. Rear passenger side. It held enough air to drive me back home but ow it's completely flat. Ordered one from Walmart so as of now, without the i3 for almost a 3 days.
I don't care if I lose trunk space or range but am looking for a suitable wheel tire spare.
Anyone has done this? Can you provide me with a link to a spare wheel and tire combo?
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