Full OEM 21 Wheel Specs?

James Cole · 09-12-2020, 11:23 AM

Hello Guys,

Looking to make some custom wheels for my X3M but would like to comfirm OEM specs first, anyone care to enlighten me?

Front: 21x9.5 +31 Cast
Rear: 21x10 +39 Cast
PDC: 5x112
Center Bore: 66.6
Weight F & R: ???

Thanks!

Will Pwr · 09-12-2020, 12:53 PM

Center Bore is 66.6

James Cole · 09-13-2020, 08:19 AM

Thanks! Are these forged?

forza1976 · 09-13-2020, 09:38 AM

Quote:

Originally Posted by James Cole

Thanks! Are these forged?

Nope, they are heavy ass wheels.

4151zero · 09-13-2020, 12:27 PM

agreed! 😇 strong af but very heavy

Quote:

Originally Posted by forza1976

Nope, they are heavy ass wheels.

James Cole · 09-13-2020, 12:37 PM

Mmmm... interesting...
Thanks guys!

James Cole · 09-14-2020, 05:24 PM

Guys... looking to get some titanium lugs as well... do you guys know the spec?

4151zero · 09-14-2020, 05:30 PM

Quote:

Originally Posted by James Cole

Guys... looking to get some titanium lugs as well... do you guys know the spec?

Do you live in the salty snow belt, I think ti bolts are great for dedicated track cars, imho

14x1.25 is the thread pitch fwiw

James Cole · 09-14-2020, 08:45 PM

Quote:

Originally Posted by 4151zero

Do you live in the salty snow belt, I think ti bolts are great for dedicated track cars, imho

14x1.25 is the thread pitch fwiw

Thanks! do you know how many degrees is the conical base?

Parnishka · 09-14-2020, 08:59 PM

Quote:

Originally Posted by James Cole

Hello Guys,

Looking to make some custom wheels for my X3M but would like to comfirm OEM specs first, anyone care to enlighten me?

Front: 21x9.5 +31 Cast
Rear: 21x10 +39 Cast
PDC: 5x112
Center Bore: 66.6
Weight F & R: ???

Thanks!

5x112?? 5x120 should be or I'm missing smth?!

Will Pwr · 09-14-2020, 09:14 PM

Quote:

Originally Posted by Parnishka

5x112?? 5x120 should be or I'm missing smth?!

The "newer gen" chassis's have switched over to 5x112... It started with the later F series releases into the current G series releases.

4151zero · 09-14-2020, 11:20 PM

Quote:

Originally Posted by James Cole

Thanks! do you know how many degrees is the conical base?

60

James Cole · 09-15-2020, 05:08 AM

Beautiful! Thanks !

Parnishka · 09-15-2020, 11:25 PM

Quote:

Originally Posted by Will Pwr

The "newer gen" chassis's have switched over to 5x112... It started with the later F series releases into the current G series releases.

Gotcha. Thanks for the info👍

09-12-2020, 11:23 AM	#1
James Cole Private 33 Rep 98 Posts Drives: M3 Join Date: Apr 2020 Location: Texas iTrader: (0)	Full OEM 21 Wheel Specs? Hello Guys, Looking to make some custom wheels for my X3M but would like to comfirm OEM specs first, anyone care to enlighten me? Front: 21x9.5 +31 Cast Rear: 21x10 +39 Cast PDC: 5x112 Center Bore: 66.6 Weight F & R: ??? Thanks! Last edited by James Cole; 09-13-2020 at 12:36 PM..
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09-12-2020, 12:53 PM	#2
Will Pwr eM Power Me 749 Rep 698 Posts Drives: '23 AW i4 eDrive40 M Sport Join Date: Apr 2006 Location: So Cali iTrader: (2) Garage List 2023 BMW G26 i4 eDr ... [10.00] 2023 BMW G20 LCI 33 ... [0.00]	Center Bore is 66.6 __________________ Will - '23 Alpine White G26 ///i4 eDrive40 M Sport '23 Brooklyn Grey G20 ///330e M Sport '20 Alpine White F97 ///X3MC '20 Alpine White F39 ///X2 M Sport X
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09-13-2020, 08:19 AM	#3
James Cole Private 33 Rep 98 Posts Drives: M3 Join Date: Apr 2020 Location: Texas iTrader: (0)	Thanks! Are these forged?
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09-13-2020, 12:37 PM	#6
James Cole Private 33 Rep 98 Posts Drives: M3 Join Date: Apr 2020 Location: Texas iTrader: (0)	Mmmm... interesting... Thanks guys!
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09-14-2020, 05:24 PM	#7
James Cole Private 33 Rep 98 Posts Drives: M3 Join Date: Apr 2020 Location: Texas iTrader: (0)	Guys... looking to get some titanium lugs as well... do you guys know the spec?
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09-15-2020, 05:08 AM	#13
James Cole Private 33 Rep 98 Posts Drives: M3 Join Date: Apr 2020 Location: Texas iTrader: (0)	Beautiful! Thanks !
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