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08-11-2026LAST POST
Nice photo's guys! We appreciate your support :clap:
alxmlr789 wrote
Square setup? What offsets? Sorry for all the questions really trying to decide on 18 or 19's!
No problem! His setup is:

EC-7 18x10 et25 Square with 275/35/18 Hankook RS-3's.

Our 19" EC-7's will fit very similar to this, only the wheel is slightly larger in diameter of course :thumbsup: Spec's for a 19" square setup listed below:

EC-7 19x10 et25 - 275/30/19 tires

Feel free to call us if you would like to discuss your fitment options in depth!
alxmlr789 wrote
Does anyone have any pics of an ARC 8 on an e90, in 19's? Preferably 20x10 all around.
I think you meant 19x10 all around :thumbsup:

Here you are, ARC-8 19x10 et25 square in Hyper Silver:

Image hosted on: farm9.staticflickr.com

Image hosted on: farm8.staticflickr.com

Image hosted on: farm8.staticflickr.com
ApexRaceParts wrote
I think you meant 19x10 all around :thumbsup:

Here you are, ARC-8 19x10 et25 square in Hyper Silver:

Image hosted on: farm9.staticflickr.com

Image hosted on: farm8.staticflickr.com

Image hosted on: farm8.staticflickr.com
Thank you. Was hoping to see some pics on an E90, but I think this will do. Trying to decide between Arc8 18x10, or 19x10 all around. What is the weight difference between the two?
alxmlr789 wrote
Thank you. Was hoping to see some pics on an E90, but I think this will do. Trying to decide between Arc8 18x10, or 19x10 all around. What is the weight difference between the two?
You got it! Here are the same wheels on an e90 M3.

Image hosted on: farm4.staticflickr.com

Image hosted on: farm4.staticflickr.com

Wheels weights for your comparison are below. As you can see, either way you are vastly improving things, as both weights are impressive!

ARC-8 18x10 et25 - 19.95 lbs. each

ARC-8 19x10 et25 - 21.95 lbs. each
raysspl wrote
Wonderful setup. Did you have to roll the fenders?
No Sir, and absolutely no rubbing unless I have some fat bodies in the back and hit a good bump. LOL
meza0531 wrote
No Sir, and absolutely no rubbing unless I have some fat bodies in the back and hit a good bump. LOL
:bellyroll
alxmlr789 wrote
Thank you. Was hoping to see some pics on an E90, but I think this will do. Trying to decide between Arc8 18x10, or 19x10 all around. What is the weight difference between the two?
Think of the $ savings of tires as well.
ApexRaceParts wrote
I think you meant 19x10 all around :thumbsup:

Here you are, ARC-8 19x10 et25 square in Hyper Silver:

Image hosted on: farm9.staticflickr.com

Image hosted on: farm8.staticflickr.com

Image hosted on: farm8.staticflickr.com
What size tires can you run with this set up, without rubbing? Im currently on ZCP suspension, but may get coilovers in the future.
evovince wrote
What size tires can you run with this set up, without rubbing? Im currently on ZCP suspension, but may get coilovers in the future.
He told me these were a 275/30/19 - looks to be about that.
evovince wrote
What size tires can you run with this set up, without rubbing? Im currently on ZCP suspension, but may get coilovers in the future.
alxmlr789 wrote
He told me these were a 275/30/19 - looks to be about that.
That is correct! :thumbsup:
I've never posted in here gotta do it. ec7 but trading buddy for arc8. time for a change.
FormulaMMM wrote
I'll play.

- Anthracite Apex EC-7 18x10 ET25 squared
- Hankook R-S3 275/35/18 all around
- Stock suspension w/ EDC. No spacers, fender rolling, etc.

Couldn't be happier with the setup for both street and track!

Image hosted on: farm9.staticflickr.com

Image hosted on: farm9.staticflickr.com
very nice
Anyone run a 255/35-18 on a 9.5 and 275/35-18 on 10.5?
Better pricing on tires. Not a normal setup from what I see. Most people run 265/285 respectively.
Looking for feedback on a lot of street driving with a few track days to see how well that would handle.
BzsBimmer wrote
Anyone run a 255/35-18 on a 9.5 and 275/35-18 on 10.5?
Better pricing on tires. Not a normal setup from what I see. Most people run 265/285 respectively.
Looking for feedback on a lot of street driving with a few track days to see how well that would handle.
These tire sizes can certainly be used, but they are technically a little stretched for 9.5" and 10.5" wheels. This leaves the lip's of the wheels open for potential damage. The e9X has plenty of room under the fenders, so most owners choose to maximize tire width, resulting in more grip. The tire sizes you mention would be better suited with 18x9 and 18x10 wheels.

You also mentioned that your motivation would be to save money on tires. No doubt that tracking your car can get expensive, and the best way to save money on tires is to run a square fitment. The most common is 18x10et25 with 275/35/18 tires.

A square setup (same size wheel and tire on all four corners) has many benefits. First, it allows you to rotate your tires effectively from front to back, and/or side to side which has a major impact on tire longevity and promoting even tire wear. When running a square fitment, you typically have gained more front wheel/tire width over stock spec’s, and that creates more front end grip, as well as sharper turn-in. Overall a square setup is believed to create a much more balanced car for the corners. These benefits are very attractive for track enthusiasts and racers, but also translate to an everyday street car.

- Ryan
Currently having PEX 75mm M12 BMW 5 Lug Hex Head Wheel Stud Kit with black lug nuts
Aloha Guys, Just got back from a visit to APEX Race Parts and these guys not only have wonderful products but were also super cooool to deal with, just awesome!! Oh yah and I grabbed me a set of the ARC-8's.... Thanks APEX you guys Rock!!

Brandon G.
:thumsup: We appreciate your business. Post up some photo's when you have them!

- Ryan
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18x10 all around - 15mm spacer in the rear 275/35/18 all around.
Quick snaps taken today.
Attached imageAttached imageAttached image
vincE92M3 wrote
Quick snaps taken today.
Lookin good!
Had a hard time finding pics of PS-7s so thought I'd put these up. Highly debated between these and ZCPs and glad I went with them, awesome wheels!

F 9.5x19 ET 28 (with 5mm spacer) 255/35 Yoko AD08R
R 10x19 ET 25 265/35 Yoko AD08R

Did stud conversion at same time.

The clearance sale brought my Christmas early!! :thumsup:

Image hosted on: i68.tinypic.com