will 245 45 18 tires fit a stock hight e92?

M3GAMAN · 02-02-2011, 03:03 PM

I'm looking at picking up a set of snow wheels/tires and want to make sure they will fit as they are slightly off from the recommended tirerack set.

Tires are 245/45 18 and mounted on 18x8s, +20mm offset, square set.

Car is stock height, I don't care if the offset doesn't look good, as long as they will get me through winter weather.

Thanks!!

smmmurf · 02-02-2011, 03:26 PM

Please let me know, I was wondering if 245/40R19 would fit (same diameter).

slicer · 02-02-2011, 05:41 PM

Might work in the back but they will rub in the front due to the larger diameter.

Locksmythe · 02-02-2011, 06:43 PM

I am surprised there isn't 12.5mm of available space in the travel at stock height.

M3GAMAN · 02-02-2011, 06:57 PM

Quote:

Originally Posted by Locksmythe

I am surprised there isn't 12.5mm of available space in the travel at stock height.

Thats what I was thinking. The trusty miata.net tire size calculator says that going from 40 to 45 increases the sidewall and radius by 12.2mm. Don't people claim the H&R springs drop the front 1 inch? That equates to almost 26mm. Am I missing something?

slicer · 02-02-2011, 10:10 PM

I don't think the rub will occur at the top of the wheel well. It will rub on the front or back when the wheel is turned.

M3GAMAN · 02-02-2011, 11:42 PM

with these offsets, I'll have 15mm more room on the inside, and only extending past the oem wheel edge by 3mm. I guess its this outside edge that will have the highest possibility of rubbing.

In the rear I'm getting an extra 22mm of space on the inside, and 16mm on the outside.

02-02-2011, 03:03 PM	#1
M3GAMAN Private First Class 7 Rep 105 Posts Drives: 08 AW DCT Join Date: Dec 2010 Location: Burlingame, CA iTrader: (4)	will 245 45 18 tires fit a stock hight e92? I'm looking at picking up a set of snow wheels/tires and want to make sure they will fit as they are slightly off from the recommended tirerack set. Tires are 245/45 18 and mounted on 18x8s, +20mm offset, square set. Car is stock height, I don't care if the offset doesn't look good, as long as they will get me through winter weather. Thanks!!
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02-02-2011, 03:26 PM	#2
smmmurf Colonel 310 Rep 2,189 Posts Drives: E92 M3 DCT 353k+ miles Join Date: Feb 2008 Location: Half Moon Bay, CA iTrader: (7)	Please let me know, I was wondering if 245/40R19 would fit (same diameter).
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02-02-2011, 05:41 PM	#3
slicer Major General 2739 Rep 6,734 Posts Drives: 'E46 M3 Race Car, '23 X7 Join Date: Jan 2009 Location: Wisconsin - Instagram - @slicer_m iTrader: (39)	Might work in the back but they will rub in the front due to the larger diameter. __________________ '23 X7 '04 M3 - Fall Line Motorsports Built Race Car - S65 swap, Dry Sump, Bosch Stand-Alone ECU, Drenth Sequential Trans, MCS 3-Way, Flossmann Wide Body, Brembo Motorsports Brakes, Drexler LSD, BBS E88 Etc. INSTAGRAM - @Slicer_M
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02-02-2011, 06:43 PM	#4
Locksmythe First Lieutenant 48 Rep 378 Posts Drives: 2009 e92 M3 AW/FR Join Date: May 2009 Location: Virginia iTrader: (0)	I am surprised there isn't 12.5mm of available space in the travel at stock height.
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02-02-2011, 10:10 PM	#6
slicer Major General 2739 Rep 6,734 Posts Drives: 'E46 M3 Race Car, '23 X7 Join Date: Jan 2009 Location: Wisconsin - Instagram - @slicer_m iTrader: (39)	I don't think the rub will occur at the top of the wheel well. It will rub on the front or back when the wheel is turned. __________________ '23 X7 '04 M3 - Fall Line Motorsports Built Race Car - S65 swap, Dry Sump, Bosch Stand-Alone ECU, Drenth Sequential Trans, MCS 3-Way, Flossmann Wide Body, Brembo Motorsports Brakes, Drexler LSD, BBS E88 Etc. INSTAGRAM - @Slicer_M
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02-02-2011, 11:42 PM	#7
M3GAMAN Private First Class 7 Rep 105 Posts Drives: 08 AW DCT Join Date: Dec 2010 Location: Burlingame, CA iTrader: (4)	with these offsets, I'll have 15mm more room on the inside, and only extending past the oem wheel edge by 3mm. I guess its this outside edge that will have the highest possibility of rubbing. In the rear I'm getting an extra 22mm of space on the inside, and 16mm on the outside.
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