Hi I looked previously at the forum for solutions to a IQ 1.3 spare tire (normal tyre size 16").Then poached the idea to purchase a small space saver wheel and cover to store it behind the passenger seat.Its quite a neat solution. The wheel is 14" purchased on eBay £45, fits ok (as i did a test run on the front wheel).As there is only an inch difference between 16" and 14"  there is little discernible slant on the vehicle and should be safe to limp home on under 50mph. Just wanted