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Old 01-15-2013, 12:42 PM
hoopla hoopla is offline
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Location: NW, USA
Join Date: Sep 2008
Posts: 33
Mein Auto: 05 X3 Manual Transmission
Piecing a spare kit together - alternate tire sizes

Looking at the diameter calculations, it does look like a 125/80 would be a much closer fit for my non-sport with 225/45 17's. A 145/70 would also be a near perfect fit.

Both the 125/80 and the 145/70 are readily available used (and still mounted on other car's spare rims) on ebay for $80-$100. In both cases, they are on 4'' rims, so it doesn't seem like there should be any problem mounting them on the E60 rim (36-11-6-758-778).

Does anyone see any issues with going that route?

As far as the jack, a well reviewed ones from Amazon are $25-$35, plus a lug wrench for $12. I suppose I could then cut my own foam insert, but I'm intrigued by the Jaguar kits that include the jack, chock and insert tray, also available for cheap (used) on ebay.

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