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Technical Topics Wheels and Tires Wheel Specifications 791M, 792M, 793M

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      08-21-2019, 02:19 PM   #1
WXdrivefun
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Wheel Specifications 791M, 792M, 793M

Hi Everyone,

Can anyone verify the wheel specifications for the 19" wheels mentioned below for 791M; 792M; 793M wheels with M-Performance Brakes or with the ZTK package?

From what I know our BMW G20s have a bolt pattern of 5X112, but what about other specifications like:

Center Bore?
Offset?
Wheel Width? Stagger i believe is 8 in front and 8.5 in Rear?
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      08-22-2019, 09:30 AM   #2
stvding
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I was told by my dealer that 791M black wheel on M340i needs ZTK in Canada !!! I don't understand.
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      08-22-2019, 10:24 AM   #3
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I believe this is true in Canada, the package is called 'M Enhanced Track Package' code: ZGW

With Fall season approaching, definitely need to look at Tires and Rim combinations, especially for those including myself with the Summer Tires.
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      08-22-2019, 12:06 PM   #4
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They're all the same size. Front 19x8 ET27 and rear 19x8.5 ET40.
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      08-22-2019, 08:25 PM   #5
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Center bore is 66.6mm
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      08-26-2019, 12:37 PM   #6
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TireRack recently added the G20 to their wheel database. They now list regular and winter wheel/tire combos, 18 and 19. If buying elsewhere, you could use their suggested wheel sizes as a starting point for specs.

I emailed their customer support regarding ZTK and was told that their listed 19's would work, but 18's will not. I'm planning on ordering a winter set from them soon.
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