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M2 Technical Topics > Wheels / Tires -- Sponsored by The Tire Rack > Square wheel setup without spacers

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      05-25-2020, 10:25 PM   #1
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Square wheel setup without spacers

I recently got Ap Racing bbk on my M2 Comp and I wanted to know what people are running for square setup sizes without running spacers? I want to go 18" as i will be tracking the car. Not sure if it's possible without spacers. I'm on M Performance coilovers without camber plates, but I will most likely get camber plates down the road. Ideal tire size I want to run is 265/35/18.

Sizes that might clear would be 18x9.5 et20? Has anyone fit 18x10 without spacers? Any input and pictures would help. Thanks
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      05-26-2020, 01:58 PM   #2
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18x9.5 ET20 is a safe fit on the inside (actually about 3mm farther away from the strut), on the outside it's 15mm wider and that's also safe as many people run 15mm spacers without issues. I have a 15mm spacer on stock wheels now and at 1.85 camber the rim is flush, with more camber it will tuck in.
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      05-28-2020, 12:44 PM   #3
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Quote:
Originally Posted by mr_lab_rat View Post
18x9.5 ET20 is a safe fit on the inside (actually about 3mm farther away from the strut), on the outside it's 15mm wider and that's also safe as many people run 15mm spacers without issues. I have a 15mm spacer on stock wheels now and at 1.85 camber the rim is flush, with more camber it will tuck in.
Are you lowered?
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      05-28-2020, 12:47 PM   #4
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Subbing as I want to run 19x9.5 +22 square with 275/35, but am nervous about front fitment.
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      05-28-2020, 01:03 PM   #5
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Quote:
Originally Posted by JTO24 View Post
Are you lowered?
Yes but only about 1/2 inch

Quote:
Originally Posted by Conissah View Post
Subbing as I want to run 19x9.5 +22 square with 275/35, but am nervous about front fitment.
I think the problem people are running into is the fender liner clearance.

Last edited by mr_lab_rat; 05-28-2020 at 01:43 PM..
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      05-28-2020, 04:11 PM   #6
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Quote:
Originally Posted by mr_lab_rat View Post
18x9.5 ET20 is a safe fit on the inside (actually about 3mm farther away from the strut), on the outside it's 15mm wider and that's also safe as many people run 15mm spacers without issues. I have a 15mm spacer on stock wheels now and at 1.85 camber the rim is flush, with more camber it will tuck in.
You are right for an OG M2. But op has an M2C. No 18s clear the larger brakes on an M2C.

https://f87.bimmerpost.com/forums/sh....php?t=1708105
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      05-28-2020, 06:49 PM   #7
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Quote:
Originally Posted by DanG View Post
You are right for an OG M2. But op has an M2C. No 18s clear the larger brakes on an M2C.

https://f87.bimmerpost.com/forums/sh....php?t=1708105
But he got aftermarket brakes so I assumed he knows what fits over them.
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      05-28-2020, 07:03 PM   #8
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Originally Posted by mr_lab_rat View Post
But he got aftermarket brakes so I assumed he knows what fits over them.
A bbk should be larger than stock. So I don’t think 18s will work.
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      05-28-2020, 08:28 PM   #9
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Depends which AP Racing BBK OP got, there are two different ones offered by Essex I believe. The smaller one is confirmed to fit 18s.

18" TE37s on an M2C with AP Racing calipers:
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      05-29-2020, 09:00 AM   #10
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I bought the AP Racing 9660 BBK. Same ones in as the pictured above. He's a buddy of mine actually lol. He's running spacers for 18x10 et41 265/35/18
Front: 20mm
Rear: 10mm
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