Biggest possible wheel fit?

jhall1957 · Yesterday, 07:47 AM

Recent picked up a 2017 30 Jahre that the original owner changed wheels from stock 666M to 763M in a stager(19”/20”) set up. I’m wondering what is the widest wheel/tire combo possible? Car will ride on stock EDC with KW HAS. I won’t slam it(I’m a old man)and don’t feel the need to have jumbo (20 or even bigger) wheels, but I do want as much tire on the road as possible.

Current set up:
CS factory forged wheels (763M)
-Continental Extreme Contact Sport
265/35/19 & 285/30/20

b_w. · Yesterday, 10:16 AM

Can go 315 in the back on a 11 inch rim and probably 285 in the front,maybe 295 with some spacers on a 10.5 inch wheel

M3SQRD · Yesterday, 10:50 AM

There are people running custom 12” wide with et45-48 forged wheels in the rear with 325 tires. 10.5” with an et21 (10.5et36 with 15 mm spacer) is the widest you can “easily” run upfront but it requires a decent amount of negative camber and a max of 295 (typically a 30 sidewall). It takes a major overhaul of the front suspension arms and front struts to make an 11” wide wheel to work properly on the front.

Yesterday, 07:47 AM	#1
jhall1957 Captain 1096 Rep 823 Posts Drives: SE 46 Join Date: Feb 2009 Location: WS,NC iTrader: (2)	Biggest possible wheel fit? Recent picked up a 2017 30 Jahre that the original owner changed wheels from stock 666M to 763M in a stager(19”/20”) set up. I’m wondering what is the widest wheel/tire combo possible? Car will ride on stock EDC with KW HAS. I won’t slam it(I’m a old man)and don’t feel the need to have jumbo (20 or even bigger) wheels, but I do want as much tire on the road as possible. Current set up: CS factory forged wheels (763M) -Continental Extreme Contact Sport 265/35/19 & 285/30/20 __________________ Garage; 2020 Raptor, 2011 1M, 2017 M2 PE, 2006 Z4 MC, 2007 Z4 MC, 2001 Spec E46, 2007 GT3
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Yesterday, 10:16 AM	#2
b_w. Lieutenant 399 Rep 530 Posts Drives: F80 M3 Join Date: Jul 2022 Location: Alberta iTrader: (0)	Can go 315 in the back on a 11 inch rim and probably 285 in the front,maybe 295 with some spacers on a 10.5 inch wheel
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Yesterday, 10:50 AM	#3
M3SQRD Major General 2164 Rep 5,548 Posts Drives: E92 M3,G20 330ix,F22 240iX,F82 Join Date: Jun 2009 Location: Mid-Atlantic iTrader: (11)	There are people running custom 12” wide with et45-48 forged wheels in the rear with 325 tires. 10.5” with an et21 (10.5et36 with 15 mm spacer) is the widest you can “easily” run upfront but it requires a decent amount of negative camber and a max of 295 (typically a 30 sidewall). It takes a major overhaul of the front suspension arms and front struts to make an 11” wide wheel to work properly on the front.
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