I had run flats on my BMW128i AND I HATED THEM! But....since there is no spare tire, and if you a flat, well...I bought a 12-volt inflator, and a plug kit and put that in my Z4. Slime makes one that fits in the battery compartment along the plugs.
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If you want to be happy for a day, drink. If you want to be happy for a year, marry. If you want to be happy for a lifetime, drive a BMW Z4!
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