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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Tue, Dec-18-2012, 04:13:55 AM   #11
flomofo
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Default Re: ► APEX | E36 M3 Wide Wheel & Tire Fitment Guide

If trying to get maximum tire life, would a square setup with the 9 inch concave wheels be possible with minimal camber? I dont mind things like having to roll the rear fender at all, just the on-going costs that can add up like tires because of too much toe in and camber.

Minimal toe in is most of what helps, but anything over -2 degrees of camber seems to be pretty detrimental to tire wear as well. At least for a long commuter like me (160 mile daily commute) based on other comments I've read.

The staggered setup seems like it would look and fit nice on my car, but not being able to rotate the tires spoils it for my situation.

No future plans for 8.5 inch concave wheels?

Last edited by flomofo; Tue, Dec-18-2012 at 04:33:28 AM.
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Old Tue, Dec-18-2012, 07:30:48 PM   #12
ApexRaceParts
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Default Re: ► APEX | E36 M3 Wide Wheel & Tire Fitment Guide

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Originally Posted by flomofo View Post
If trying to get maximum tire life, would a square setup with the 9 inch concave wheels be possible with minimal camber? I dont mind things like having to roll the rear fender at all, just the on-going costs that can add up like tires because of too much toe in and camber.

Minimal toe in is most of what helps, but anything over -2 degrees of camber seems to be pretty detrimental to tire wear as well. At least for a long commuter like me (160 mile daily commute) based on other comments I've read.

The staggered setup seems like it would look and fit nice on my car, but not being able to rotate the tires spoils it for my situation.

No future plans for 8.5 inch concave wheels?
Our non concave wheels are really ideal for you since tire width and alignment settings do not have to be sacrificed in order to fit the ideal set up for you of a 17x8.5" ET40 with a 245/40/17 tire. This would be a direct fitment and would not require additional negative camber in the front.

If you absolutely wanted to stick with concave wheels and did not want additional negative camber in the front I would only be able to suggest a 235/40/17 tire since a 245/40/17 is on the verge of rubbing without additional negative camber. The problem with a 235 width tire on a 9" wide wheel is that there will be significant tire sidewall stretch which does not create a very pleasing look, makes the ride of the car stiffer and suffer, and puts extra stress on the wheel.
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Old Fri, Dec-28-2012, 08:58:15 PM   #13
Thegrim
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Default Re: ► APEX | E36 M3 Wide Wheel & Tire Fitment Guide

How about the 18x9 EC7 Profile 2? With their 31 offset would you still need to pull/roll the rear? How about the fronts? Max size tire in the rear on stock suspension, as well as on coilovers?

Last edited by Thegrim; Fri, Dec-28-2012 at 09:02:36 PM.
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Old Mon, Dec-31-2012, 05:21:55 PM   #14
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Default Re: ► APEX | E36 M3 Wide Wheel & Tire Fitment Guide

The 18x9" ET31 would need just as much if not more fender rolling in the rear than the concave 17's because of it's larger diameter. The 18x9" ET31 on the E36 chassis is generally only reserved for front wheel fitment and we do not recommend it in the rear. A small 235/40/18 tire would be necessary and fender rolling would still be needed.
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Old Sat, May-18-2013, 07:34:02 PM   #15
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Default Re: ► APEX | E36 M3 Wide Wheel & Tire Fitment Guide

How much work would be needed to run 255/40/17 on 17x9 et+42mm? The car is on HR springs and bilsteins.

I think it would need 12mm spacer up front and roll in the rear. I'm ok with that.

Any other things that would be necessary? More camber, camber plates, pull fenders, etc?

Edit: Hankook RS-3 tire

Last edited by jesup16; Sat, May-18-2013 at 07:40:20 PM.
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Old Sat, May-18-2013, 07:51:37 PM   #16
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Hey Joe. What about a direct spec alternative to a 17x8 RGR for all of us (or at least me) looking for a 245/40/17 fitment while staying stock on suspension, fenders, etc. Tire choices at 235/40 are crazy limited for those still rolling on square 17x7.5 DS1. My last M years ago RGR was a "reasonable" choice given car values and price. But these days, not so much. It's not wide like you're looking for input on. Probably not a huge market for this size, but thought I'd throw it out.
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Old Sat, May-18-2013, 08:10:16 PM   #17
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Default Re: ► APEX | E36 M3 Wide Wheel & Tire Fitment Guide

I thought the RGR came in 17x9?

Either way, the standard 17x8.5 Arc8 et42 on 245/40/17 would be the "go to" rim setup for you.

Exact same OE specs as all the E36 17x8.5 rims (17x8.5 et42)
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Old Sun, May-19-2013, 01:37:12 AM   #18
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I had 17x8 square RGRs before. BBS still makes them. But they are $$$. I thought I read about possible strut issues up front with square 8.5 ds2? No doubt you know though.
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Old Tue, May-21-2013, 05:25:08 PM   #19
YAOGinanM3
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Default Re: ► APEX | E36 M3 Wide Wheel & Tire Fitment Guide

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Originally Posted by crqflier View Post
I had 17x8 square RGRs before. BBS still makes them. But they are $$$. I thought I read about possible strut issues up front with square 8.5 ds2? No doubt you know though.
With stock struts a square 8.5" DS2 setup should fit perfectly because the stock strut spring seats are above the tires. I test fitted this configuration before I came across a set of used TCKR D/A coilovers which I had rebuilt. But consider that I have a '95 M3 coupe which I know have different spindles than 96+ M3s and that coupes may have slightly differently shaped fenders than a sedan. The TCKR D/A coilovers on square 8.5" DS2 with 235.45x17 V12 tires I am running fit perfectly without having to resort to additional camber or spacers. I added Turner's hub extenders and 5mm H&R spacers to maximize track width but the tires just cleared the 60mm ID springs without spacers. Alignment camber is set to -2.5F/-1.5R.

HTH!
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Old Thu, May-23-2013, 04:35:30 AM   #20
ErikB34
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Default Re: ► APEX | E36 M3 Wide Wheel & Tire Fitment Guide

Quote:
Originally Posted by jesup16 View Post
How much work would be needed to run 255/40/17 on 17x9 et+42mm? The car is on HR springs and bilsteins.

I think it would need 12mm spacer up front and roll in the rear. I'm ok with that.

Any other things that would be necessary? More camber, camber plates, pull fenders, etc?

Edit: Hankook RS-3 tire
I have that square setup but with 255/40 Z1 star specs. I had to roll the front and rear quite a bit. The front has 12mm spacers (left about 2mm between tire and strut). -1.5* front and -1.8* rear camber. After fender rolling, everything is perfect. Love the grip and the wheels are awesome!

before any rolling. rear was literally sitting on the tread, undriveable. The front needed a little more than the rear did.


front: http://www.ebaudio.com/MyPics/M3/IMG_0521.JPG
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Discussing ► APEX | E36 M3 Wide Wheel & Tire Fitment Guide in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)