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Technical Topics Wheels and Tires G30 668M wheels for G20

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      12-21-2020, 03:18 AM   #1
_Qba_
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G30 668M wheels for G20

Anybody tried to fit G30 668M wheels with oem tires 245/35 and 275/30 to G20?

Total diameter of front tires will be 14mm and rear 12mm bigger
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      12-21-2020, 08:40 AM   #2
ultrared93
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Originally Posted by _Qba_ View Post
Anybody tried to fit G30 668M wheels with oem tires 245/35 and 275/30 to G20?

Total diameter of front tires will be 14mm and rear 12mm bigger
I believe that the bolt circle on the 668M is 120mm vs. 112mm for the G20 body. So unless you change hubs, too, this is a no go.
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      12-21-2020, 11:43 AM   #3
VipinLJ
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Originally Posted by ultrared93 View Post
I believe that the bolt circle on the 668M is 120mm vs. 112mm for the G20 body. So unless you change hubs, too, this is a no go.
Nope. All G series have 5x112 pattern. So it will fit the G20.

OP there's a link in the classifieds.

https://g20.bimmerpost.com/forums/sh....php?t=1703772
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      12-21-2020, 02:17 PM   #4
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Quote:
Originally Posted by VipinLJ View Post
Nope. All G series have 5x112 pattern. So it will fit the G20.

OP there's a link in the classifieds.

https://g20.bimmerpost.com/forums/sh....php?t=1703772
Sorry, the only site I found that listed the bolt pattern for the 668M must have it wrong. They certainly are a beautiful wheel.
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      12-21-2020, 02:25 PM   #5
_Qba_
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Yes, for sure they are 5x112
Width and wheels offset should be ok, but I'm wondering if G30 tires also fit good and have no affect on xdrive
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      12-21-2020, 03:16 PM   #6
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Quote:
Originally Posted by ultrared93 View Post
Sorry, the only site I found that listed the bolt pattern for the 668M must have it wrong. They certainly are a beautiful wheel.
It happens. Lots of websites have the wrong info. That is why we have forums like these

Quote:
Originally Posted by _Qba_ View Post
Yes, for sure they are 5x112
Width and wheels offset should be ok, but I'm wondering if G30 tires also fit good and have no affect on xdrive
As long as the overall diameters of all four wheels are the same, it shouldn't be a problem. People have installed 275mm tyres on their G20s but you might need a spacer.
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      12-23-2020, 09:13 AM   #7
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Quote:
Originally Posted by _Qba_ View Post
Yes, for sure they are 5x112
Width and wheels offset should be ok, but I'm wondering if G30 tires also fit good and have no affect on xdrive
I have BMW style 760m 20" wheels 20x8.5 +25 and 20x10 +40 with 245/35 275/30 on my G22 M440 xDrive with no issues.
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      07-16-2021, 11:22 AM   #8
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