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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Wheels / Tires / Suspension / Brakes 20in rim fit sport package?
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      11-03-2010, 05:51 PM   #1
kyheang12
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20in rim fit sport package?

I'm wondering if i can fit 20in rim or bigger with my run on flat wheel with sport package. thank you
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      11-03-2010, 09:33 PM   #2
Jon D
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You can fit 20", but you have to reduce the tyre profile accordingly.
Example: 275/40/18 (standard M Sport rear) gives an overall diameter of 677 mm; for the same width of tyre on a 20" rim, the closest match would be a tyre size of 275/30/20, giving an overall diameter of 673 mm.
I think this is well within acceptable limits.
Best thing would be to speak with your dealer. BMW offer a range of OEM rims in a variety of sizes up to and including 20"
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      11-03-2010, 10:10 PM   #3
juztinl
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245/35/20 and 275/30/20 is the oem spec.
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      11-03-2010, 10:44 PM   #4
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can i only fit OEM rim with the run on flat tire? or can i fit other after market rim?
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      11-04-2010, 05:50 AM   #5
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As far as I know, you can fit non-RFT's to the OEM rims and you can certainly fit non-OEM rims on the car, but you must ensure that the offset and PCD conform to BMW specs.
Any reputable aftermarket supplier will advise you accordingly.
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