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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Tue, Sep-27-2011, 10:37:07 AM   #121
gnoy26
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Default Re: e46 M3 Tire Sizing Thread

if you go neova ad08 235-35-19 on your 8.5 CSL rim it would look much beefier, AD08s are slightly more oversized and have a more squarish track.

275s on the rear will be a good bet, but like i mentioned on the AD08s when fitted on the 9.5 of your rear wheels they might look a lot beefier than your current 265 set up.

id say go ad08 if traction is of your concern and stick with 235/265 as the CSL rims were made to accommodate
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Old Wed, Nov-02-2011, 03:07:25 AM   #122
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Old Wed, Nov-02-2011, 04:16:04 AM   #123
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Default Re: e46 M3 Tire Sizing Thread

Rookie question: What do you mean by "Tramline"?

Thank you.
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Old Wed, Nov-02-2011, 11:14:24 AM   #124
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Default Re: e46 M3 Tire Sizing Thread

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Originally Posted by mousemaster View Post
Rookie question: What do you mean by "Tramline"?

Thank you.
It's when the car follows the groves of the road, so you have to fight it a bit to keep it where you want it.
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Old Wed, Nov-02-2011, 04:51:35 PM   #125
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Default Re: e46 M3 Tire Sizing Thread

Hi Ian
Thanks for your answer.

Two questions:

I have an 04 with the Dinan S3 suspension. I am running DForce 18x9 with a brand new set of Nitto NT01 in 275/35R18. I have a 20MM spacer on the rears, no rubbing, and the fronts/rears seem to line up well. I enjoy an incredible turn in with this set up. However, the rear of the car is not as stable and seems to want to oversteer. Of course this is useful on an AutoX to make me a little quicker. However, high speed stability is my concern as shifting the weight of the car from left to right makes the rear unstable, sometimes even inducing a little slide. Scary at times. Any suggestions?

Second question: I like to use street tires on the big tracks since they talk more and teach me more. I use factory 19 with stock tire sizes. I am thinking of getting a third set of wheels for HPDE and would consider a bigger front tire than the stock 225. This would not have to be square but it could be. A gent in our club with our car is using a square 255. Do you have a favorite PS2 or PSS setup for the track? I prefer the OEM Comp look for wheels if possible.

Many thanks.

Last edited by mousemaster; Wed, Nov-02-2011 at 04:57:17 PM.
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Old Wed, Nov-02-2011, 05:46:45 PM   #126
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Default Re: e46 M3 Tire Sizing Thread

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Originally Posted by mousemaster View Post
Hi Ian
Thanks for your answer.

Two questions:

I have an 04 with the Dinan S3 suspension. I am running DForce 18x9 with a brand new set of Nitto NT01 in 275/35R18. I have a 20MM spacer on the rears, no rubbing, and the fronts/rears seem to line up well. I enjoy an incredible turn in with this set up. However, the rear of the car is not as stable and seems to want to oversteer. Of course this is useful on an AutoX to make me a little quicker. However, high speed stability is my concern as shifting the weight of the car from left to right makes the rear unstable, sometimes even inducing a little slide. Scary at times. Any suggestions?

Second question: I like to use street tires on the big tracks since they talk more and teach me more. I use factory 19 with stock tire sizes. I am thinking of getting a third set of wheels for HPDE and would consider a bigger front tire than the stock 225. This would not have to be square but it could be. A gent in our club with our car is using a square 255. Do you have a favorite PS2 or PSS setup for the track? I prefer the OEM Comp look for wheels if possible.

Many thanks.
I'm confused. You're saying that you're street setup is 275 square 18s and you want to run 19" 225/255 on the track?

PS2s aren't good track tires, imo-- fall apart very quickly. Between the two, I'd go with a PSS, but for a pure track tire I wouldn't use either. The beauty of the PSs is that they have performance and comfort. You don't need comfort for a track tire, so why spend extra for it?

That said, the PSC's were some of my favorite track tires I've driven on, and they're still pretty predictable. But if you want a street tire, I'd look at some of the cheaper "extreme" tires that have been entering the market recently.
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Old Wed, Nov-02-2011, 06:04:43 PM   #127
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Default Re: e46 M3 Tire Sizing Thread

I have two sets of wheels. One is square Nittos for autoX only. I also have factory OEM 19 that I use for HPDE and daily driving. I am more interested in your opinion on street/HPDE tires and the corresponding correct wheels to make it all work.

Also, any ideas on my first question; high speed stability in the rear ?
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Old Wed, Nov-02-2011, 06:44:38 PM   #128
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Default Re: e46 M3 Tire Sizing Thread

Quote:
Originally Posted by mousemaster View Post
I have two sets of wheels. One is square Nittos for autoX only. I also have factory OEM 19 that I use for HPDE and daily driving. I am more interested in your opinion on street/HPDE tires and the corresponding correct wheels to make it all work.

Also, any ideas on my first question; high speed stability in the rear ?
A square setup will be more prone to oversteer than a staggered setup-- that's the appeal of it.

High speed stability could be three things, depending on how severe it is:
1) worn out RTABs
2) alignment (try more toe in)
3) wider tires make it less stable at speed

If you're looking for a street/light track tire, I'd go with the PSSs. If you get into tracking regularly, I suspect you'll stop autoxing (pales in comparison, imo)-- at which point I'd make the current autox wheels into track wheels.

Size: 245 front, 255 rear would probably be a good street/track compromise. Could also go with 245/275 if you want to maintain the stock stagger. I would go larger than 225 on the front, though...
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Old Wed, Nov-02-2011, 10:23:43 PM   #129
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Default Re: e46 M3 Tire Sizing Thread

Thank you again. If I follow your suggestions, the PSC is, regrettably, limited in sizes:
18"


225/40ZR-18 88Y BW

235/40ZR-18 91Y BSW

265/35ZR-18 93Y BW

285/30ZR-18 93Y BW

295/30ZR-18 94Y BW




19"


235/35R-19 87Y BMW B

245/35R19 XL 93Y BMW

265/30R-19 89Y BMW B

265/35R19 XL 98Y BMW

345/30R-19 105Y BSW


The PSS has more choices:

18"


225/40ZR18XL 92Y B

225/45ZR18XL 95Y B

225/50ZR18XL 99Y B

235/40ZR18XL 95Y B

245/40ZR18XL 97Y B

245/45ZR18XL 100Y B

255/35ZR18XL 94Y B

255/40ZR18XL 99Y B

265/35ZR18XL 97Y B

265/40ZR18XL 101Y B

275/35ZR18XL 99Y B

285/35ZR18XL 101Y B




19"


225/35ZR19XL 88Y B

225/40ZR19XL 93Y B

225/45ZR19XL 96Y B

235/35ZR19XL 91Y B

245/35ZR19XL 93Y B

245/40ZR19XL 98Y B

255/35ZR19XL 96Y B

265/30ZR19XL 93Y B

275/30ZR19XL 96Y B

275/35ZR19XL 100Y B

295/30ZR19XL 100Y B

305/30ZR19XL 102Y B


Maintaining some stagger for the big tracks might reinstate some of the high speed stability I am missing with the square set up now. My rear bushings were done several years ago but could be worn and in need of replacement. I will check on them. I heard the hard bushings from Turners make a bit of noise so I may stay with the factory bushings.

My question is will the factory comp wheels work with a staggered 245/40 (?) and a 265-275/35 ? What wheels would you recommend that resemble the comp wheels along with the offset?

We could take this off line if you care to. I would enjoy the conversation.
Thank you.
BMWCCA

Last edited by mousemaster; Thu, Nov-03-2011 at 04:29:37 AM.
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Old Thu, Nov-03-2011, 12:37:27 AM   #130
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^ I would say use the auto-x wheels for hpde as well. Then get factory-sized PSS on your zcp wheels and enjoy a better setup for each application

If your suspension is in good shape you shouldn't have any stability problems with slight toe out front, slight toe in rear, and reasonable camber settings.
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Discussing e46 M3 Tire Sizing Thread in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)