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[ioric18]

Good day all!

Title says it all. I'm thinking of going squared with 18x10.5 +22 and 275/35/18 on all 4 for my '11 e93. Anyone has any experience with this setup? I tried searching a thread, but most that I see is feedback on 10 with 275/285.

Thanks,

[chamba002]

My rims are 18 x 10.5 +21 on 275/35/18 squared setup. The inner fender rubs very slightly on full lock. You can fit them, you are just 1mm closer to the strut compared to me.

[ioric18]

Originally Posted by chamba002

My rims are 18 x 10.5 +21 on 275/35/18 squared setup. The inner fender rubs very slightly on full lock. You can fit them, you are just 1mm closer to the strut compared to me.

Thanks for the feedback.
Are you on stock strut or aftermarket? Also, did you lower the springs?

I'm currently on stock at the moment, but plan to drop an inch or so later, so I'm curious will I be stuck with my current height if I were to go the square route.

[chamba002]

Im on Swift Spec R springs which isn't terribly low.

[IMG]Untitled by Chamba, on Flickr[/IMG]

[IMG]Untitled by Chamba, on Flickr[/IMG]

[IMG]Untitled by Chamba, on Flickr[/IMG]

[ioric18]

Thank you very much for the detailed reply, and with pictures.

Originally Posted by chamba002

Im on Swift Spec R springs which isn't terribly low.

[IMG]Untitled by Chamba, on Flickr[/IMG]

[IMG]Untitled by Chamba, on Flickr[/IMG]

[IMG]Untitled by Chamba, on Flickr[/IMG]

[roastbeef]

go with 275/30's if you can.

[macdude357]

It really depends on the tire. For example, Hankook RS4's (and I assume RS3) are .3" wider in 275/35/18 than NT01's. I'm thinking about going this same route myself. I was at the track the other day and test fit someone's 10.5x18et27 wheels with 275 NT01s and the wheel was just touching my suspension (JRZ RS2's lowered about .75" from non-ZCP height) when the car was jacked up. Based on that, I'm thinking a 10.5x18 et22 would fit nicely (should give me ~4-5mm clearance on the strut).

[AP3X_FTW]

Originally Posted by roastbeef

go with 275/30's if you can.

That is too short my friend. 275/35-18 is the correct size.

OP, 275/35-18 extreme summer tires will fit very nicely on an 18x10.5" ET22 square fitment, however the front could benefit from a touch of additional negative camber to prevent rubbing the fender edge under compression. If you plan on tracking the car with this setup (I am assuming you are if you're running a 10.5" square fitment), then purchasing adjustable camber plates should be at the top of your list for more reasons then just fitment/fender clearance. At full lock you are going to rub the liners a touch, but after some time they tend to "self clear" and no major damage will come of this.

Keep in mind, KW coilovers (variants or clubsports) will not play friendly with an aggressive fitment like this (they limit inner clearance and will cause interference). Inner strut clearance with suspensions like JRZ & MCS will still be tight, but do-able. If the suspension utilizes helper springs, you will want to remove them in effort to get the spring perch above the tire for maximum clearance.

Here was my setup before I sold the car

- APEX ARC-8 Hyper Silver
- F. 18x10.5 et27 w/ 5mm spacers (ET22)
- R. 18x10.5 et27 w/ 10mm spacers (ET17)
- Dunlop Direzza Star Spec ZII 275/35/18
- Motion Control Suspension (MCS) 1WNR Dampers
- Swift Springs F: 440 / R: 660
- Ground Control Race Camber Plates
- Ground Control Rear Spring Perches
- Bimmerworld Adjustable Endlinks
- Camber: F -2.8* / R -1.8*
- Toe: F 0 / R .4* in

[roastbeef]

You know what, I re-read it and realized this was for 18's and I was thinking 19's. my apologies.

[Revvvm3]

Originally Posted by AP3X_FTW

That is too short my friend. 275/35-18 is the correct size.

OP, 275/35-18 extreme summer tires will fit very nicely on an 18x10.5" ET22 square fitment, however the front could benefit from a touch of additional negative camber to prevent rubbing the fender edge under compression. If you plan on tracking the car with this setup (I am assuming you are if you're running a 10.5" square fitment), then purchasing adjustable camber plates should be at the top of your list for more reasons then just fitment/fender clearance. At full lock you are going to rub the liners a touch, but after some time they tend to "self clear" and no major damage will come of this.

Keep in mind, KW coilovers (variants or clubsports) will not play friendly with an aggressive fitment like this (they limit inner clearance and will cause interference). Inner strut clearance with suspensions like JRZ & MCS will still be tight, but do-able. If the suspension utilizes helper springs, you will want to remove them in effort to get the spring perch above the tire for maximum clearance.

Here was my setup before I sold the car

- APEX ARC-8 Hyper Silver
- F. 18x10.5 et27 w/ 5mm spacers (ET22)
- R. 18x10.5 et27 w/ 10mm spacers (ET17)
- Dunlop Direzza Star Spec ZII 275/35/18
- Motion Control Suspension (MCS) 1WNR Dampers
- Swift Springs F: 440 / R: 660
- Ground Control Race Camber Plates
- Ground Control Rear Spring Perches
- Bimmerworld Adjustable Endlinks
- Camber: F -2.8* / R -1.8*
- Toe: F 0 / R .4* in

Almost twinning setups.


Dunlop ZII 275/35
Ohlins R&T with Vorshlag Camber plates
Dinan Rear toe arm
Apex ARC 8 18x10.5
SPACERS: 5mm F 12mm R
Alignment: -2.9F -2.0R

[AP3X_FTW]

Originally Posted by roastbeef

You know what, I re-read it and realized this was for 18's and I was thinking 19's. my apologies.

I figured you knew this, lol. You've got to cut down on the drunk forum browsing

Originally Posted by Revvvm3

Almost twinning setups.

Dunlop ZII 275/35
Ohlins R&T with Vorshlag Camber plates
Dinan Rear toe arm
Apex ARC 8 18x10.5
SPACERS: 5mm F 12mm R
Alignment: -2.9F -2.0R

Solid. It performed very well!

[ioric18]

Glad I asked the question here. So much to learn from all the experts in this forum!

[JustAnothaM4]

Originally Posted by Revvvm3

Almost twinning setups.


Dunlop ZII 275/35
Ohlins R&T with Vorshlag Camber plates
Dinan Rear toe arm
Apex ARC 8 18x10.5
SPACERS: 5mm F 12mm R
Alignment: -2.9F -2.0R

What front lip is that?

[Revvvm3]

Originally Posted by project e46m3

What front lip is that?

Mode carbon

[kyoo]

bump - will this fitment work with 18x10.5 +22 SM-10s on the OEM suspension, or will that have clearance issues on the inside?

[slicer]

Originally Posted by kyoo

bump - will this fitment work with 18x10.5 +22 SM-10s on the OEM suspension, or will that have clearance issues on the inside?

OEM suspension has more inner clearance than most aftermarket systems because the spring resides above the tire. Outside clearance will be the bigger concern. You need some camber - see above - most are running at least -2.8 with that fitment. That requires camber plates

[kyoo]

interesting. didn't know an additional degree of camber would make that much difference in i assume front fender clearance

[ApexWheels]

Originally Posted by kyoo

interesting. didn't know an additional degree of camber would make that much difference in i assume front fender clearance

18x10.5" ET22 square is an awesome rotatable setup on the E9X M3, and is most commonly used with 275/35-18 or 295/30-18 tire sizes. You can pull the camber pins which typically nets around -1.8 degrees of camber, however, this may not be enough to prevent rubbing the front fenders under compression. It really comes down to vehicle ride height, tire size and model as they are not all created equal.

Most enthusiasts seeking to run an aggressive 18x10.5" ET22 square setup are also going to invest in a set of adjustable camber plates to ensure they not only have enough negative camber dialed in to prevent rubbing, but more importantly to ensure they get the most performance and longevity out of their tires. Camber plates pay for themselves very quickly and present a host of benefits.

Do you plan to track the car with this setup? If so, we can get you set up with a set of Ground Control adjustable camber plates in addition to the wheels.

- Ryan

[kyoo]

Originally Posted by ApexRaceParts

18x10.5" ET22 square is an awesome rotatable setup on the E9X M3, and is most commonly used with 275/35-18 or 295/30-18 tire sizes. You can pull the camber pins which typically nets around -1.8 degrees of camber, however, this may not be enough to prevent rubbing the front fenders under compression. It really comes down to vehicle ride height, tire size and model as they are not all created equal.

Most enthusiasts seeking to run an aggressive 18x10.5" ET22 square setup are also going to invest in a set of adjustable camber plates to ensure they not only have enough negative camber dialed in to prevent rubbing, but more importantly to ensure they get the most performance and longevity out of their tires. Camber plates pay for themselves very quickly and present a host of benefits.

Do you plan to track the car with this setup? If so, we can get you set up with a set of Ground Control adjustable camber plates in addition to the wheels.

- Ryan

is it possible then to clear with just the camber pins pulled on 275/35-18s? i'd love to run camber plates but my classing in solo prevents it. i do plan on tracking the car with this setup

[Richbot]

FWIW, I have Sachs Performance coilovers and there is room for a 275/30-19 (or more) under the spring at 1/4" lower than ZCP height

So there are a few aftermarket setups that allow clearance out of the box

I think a 275/35-18 on a 10.5 ET22 up front is an easy fit on stock suspension with pins pulled for most true street tires (maybe the Ad08, RS4 or something else that is running super-wide and square could cause issues, but a PS4S or Conti Sport, easy peasy). There's plenty of room for those tires on a 10" ET25 and the 10.5 ET22 only moves inside a few mm. This suspension like most decambers a lot on compression so even though it will poke out a bit you're never going to hit the fender itself

I think he's just saying they'll wear better with 2.5-3 degrees rather than the <2 you can get at stock height, but that's true of any tire setup

But the only way to be sure is to do it, worst case you've got a spare pair of rears!

[kyoo]

Originally Posted by Richbot

FWIW, I have Sachs Performance coilovers and there is room for a 275/30-19 (or more) under the spring at 1/4" lower than ZCP height

So there are a few aftermarket setups that allow clearance out of the box

I think a 275/35-18 on a 10.5 ET22 up front is an easy fit on stock suspension with pins pulled for most true street tires (maybe the Ad08, RS4 or something else that is running super-wide and square could cause issues, but a PS4S or Conti Sport, easy peasy). There's plenty of room for those tires on a 10" ET25 and the 10.5 ET22 only moves inside a few mm. This suspension like most decambers a lot on compression so even though it will poke out a bit you're never going to hit the fender itself

I think he's just saying they'll wear better with 2.5-3 degrees rather than the <2 you can get at stock height, but that's true of any tire setup

But the only way to be sure is to do it, worst case you've got a spare pair of rears!

true true... i'll give it a shot. i think the fender clearance is the potential issue, but we'll see. i accidentally put the 10s up front once and there was plenty of room.

[Richbot]

send it