Technical Wheel Upgrade

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Technical Wheel Upgrade

Hi All,

I'm thinking about fitting my Idea with 17's and was wondering if the Fiat 500 Abarth wheels fit from what I can find out the below is correct:

500 Abarth:
205/40 ZR17 - 84W - 7Jx17 - ET31 - 4x98 - M12 x 1.25 - CB 58.1 - Pressure 2.2

Idea:
195/55 R15 - 6.5Jx15 - ET34 - 4x98 - M12 x 1.25 - CB 58.1 - Pressure 2.1-2.3

Now apart from the size difference the only thing is the offset at 31 vs 34, will this be a problem ?
 
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