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      09-25-2018, 11:35 AM   #45
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Quote:
Originally Posted by yoandry View Post
What about just a rear set?
We haven't tested the rear 345mm brakes with our 17" ARC-8 just yet, but we do know that our 17x9" ET30 and 17x9.5" ET35 will clear many 355mm setups with 5mm spacers. While they may be a direct fit with no additional modifications, we'd suggest at least being prepared to run spacers (and potentially roll the fenders as a result) if attempting to fit 17s over these brakes.

--Dylan
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      10-06-2018, 01:39 PM   #46
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any group buys for 18's?
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      10-08-2018, 11:36 AM   #47
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Quote:
Originally Posted by cchen27 View Post
any group buys for 18's?
Nothing for 18" ARC-8 wheels at the moment. You can check out all of our current group buys at any time at: https://www.gangup.com/apex/

--Dylan
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      01-14-2019, 05:35 PM   #48
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19" ARC-8 setup - our favorite F30 street fitment so far:

Front: 19x9" ET28 with 245/35-19 tires
Rear: 19x9.5" ET33 with 275/30-19 tires
Suspension: D2 Coilovers
Owner: @ashtoncarlisle on IG



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      01-23-2019, 12:36 PM   #49
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Quote:
Originally Posted by Expert@ApexRaceParts View Post
19" ARC-8 setup - our favorite F30 street fitment so far:

Front: 19x9" ET28 with 245/35-19 tires
Rear: 19x9.5" ET33 with 275/30-19 tires
Suspension: D2 Coilovers
Owner: @ashtoncarlisle on IG
Sick! Looking to do this same fitment more or less on Dinan springs so not as low, do you think this will work with 225/40 and 255/35 tires?

Last edited by Alpine_F30; 01-23-2019 at 01:09 PM..
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      02-08-2019, 08:28 AM   #50
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Quote:
Originally Posted by Expert@ApexRaceParts View Post
Yes, the ARC-8 18x8.5" ET38 wheel will in clear the M performance brakes
Do you know if the arc 8 17x9et30 will clear the f30 340mm with the oem 4 pot Brembos????

Last edited by JeanCa; 02-16-2019 at 11:22 AM..
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      02-08-2019, 08:57 AM   #51
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Hi, I have 2 questions:

1. Is the 19x9 +38 a flat face? What's the best tire size to run for mix street/track duties?

2. Is 18x9 +30 flush or poked on a non-lowered car? What's the best tire size to run for mix street/track duties?


Asking for F30 M Sport fitment.

Thank you

Last edited by reyoasian; 02-08-2019 at 09:03 AM..
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      02-08-2019, 02:30 PM   #52
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Quote:
Originally Posted by Alpine_F30 View Post
Sick! Looking to do this same fitment more or less on Dinan springs so not as low, do you think this will work with 225/40 and 255/35 tires?
The smaller tires will make things easier, but we haven't tested it ourselves to confirm if there will be any rubbing. I recommend at least being prepared to dial in some negative camber if you do experience any rubbing.

Quote:
Originally Posted by JeanCa View Post
Do you know if the arc 8 17x9et30 will clear the f30 340mm with the gem 4 pot Brembos????
We know the 17" ARC-8 will clear the non-M sport OEM brakes, as well as many aftermarket kits up to 355mm. Which particular setup are you referring to?

Quote:
Originally Posted by reyoasian View Post
Hi, I have 2 questions:

1. Is the 19x9 +38 a flat face? What's the best tire size to run for mix street/track duties?

2. Is 18x9 +30 flush or poked on a non-lowered car? What's the best tire size to run for mix street/track duties?


Asking for F30 M Sport fitment.

Thank you
We don't produce a 19x9" ET38, are you referring to the 19x9" ET28? That wheel does indeed use a Profile 3 concave face. We recommend 255/30-19 tires on that size, which will require some front negative camber, and possibly rolled rear fenders and/or negative camber as well depending on ride height and tire brand.

The 18x9" ET30 is pretty aggressive on a stock suspension, and may poke unless negative camber is dialed in. If you go with this size, I recommend 255/35-18 with the appropriate negative camber dialed in, which will help with both performance and tire wear.

--Dylan
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      02-16-2019, 11:27 AM   #53
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Quote:
Originally Posted by Expert@ApexRaceParts View Post
The smaller tires will make things easier, but we haven't tested it ourselves to confirm if there will be any rubbing. I recommend at least being prepared to dial in some negative camber if you do experience any rubbing.



We know the 17" ARC-8 will clear the non-M sport OEM brakes, as well as many aftermarket kits up to 355mm. Which particular setup are you referring to?



We don't produce a 19x9" ET38, are you referring to the 19x9" ET28? That wheel does indeed use a Profile 3 concave face. We recommend 255/30-19 tires on that size, which will require some front negative camber, and possibly rolled rear fenders and/or negative camber as well depending on ride height and tire brand.

The 18x9" ET30 is pretty aggressive on a stock suspension, and may poke unless negative camber is dialed in. If you go with this size, I recommend 255/35-18 with the appropriate negative camber dialed in, which will help with both performance and tire wear.

--Dylan


Hi Apex, I got several confirmations (from people who have installed the f30 oem 340mm bakes on 17" ARC-8s) that the wheels will clear the brakes. As soon as I get them mounted I will post fitment pictures. These are the brakes I was referring to:

f30 oem 4 pot brembos for the 340mm rotors
Name:  Screen Shot 2019-02-08 at 2.12.28 PM.png
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Name:  Screen Shot 2019-02-08 at 2.12.38 PM.png
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      02-27-2019, 01:47 PM   #54
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Dang, wanted to order the ARC-8 19x9.5 +33 / 19x9 +28 in Hyper Silver this week but it looks like the 19x9 +28 won't be available for a couple months.

Would it be possible for me to do the 19x8.5" +20 up front? Wouldn't that be about the same fit as 19x9" +28 up front?

Last edited by Alpine_F30; 02-27-2019 at 03:03 PM..
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      02-27-2019, 03:00 PM   #55
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Quote:
Originally Posted by Alpine_F30 View Post
Dang, wanted to order the ARC-8 19x9.5 +33 / 19x9 +28 in Hyper Silver this week but it looks like the 19x9.5 +33 should be in early next month and the 19x9 +28 says 30-60 days on the website.

Would it be possible for me to do the 19x8.5" +20 up front? Wouldn't that be about the same fit as 19x9" +28 up front?
Thanks for the post! The 19x8.5" ET20 would only be 1.6mm more aggressive than the 19x9" ET28, so it will look essentially the same on the outside. The only real difference is you'd be running a narrower tire. Keep in mind this fitment (as well as the 19x9" ET28) may also require slight negative camber up front to prevent rubbing.

--Dylan
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      05-25-2019, 07:17 AM   #56
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What's the widest you can do with do rubbing on a F32 with M sport breaks?
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      05-28-2019, 12:58 PM   #57
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Quote:
Originally Posted by RedBarron View Post
What's the widest you can do with do rubbing on a F32 with M sport breaks?
Thanks for the post! For no rubbing with no modifications, the widest ARC-8 fitment we recommend is:

Front & Rear: 18x9" ET42 with 245/40-18 tires
- Front spacers may be required with certain aftermarket suspensions.

You can also check out our fitment guide here for other setups that will work: https://support.apexraceparts.com/hc...-Fitment-Guide

Hope this helps!

--Dylan
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      12-09-2019, 04:03 PM   #58
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Strong, light, affordable. Choose three.

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      01-09-2020, 03:25 PM   #59
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Quote:
Originally Posted by Expert@ApexRaceParts View Post
19" ARC-8 setup - our favorite F30 street fitment so far:

Front: 19x9" ET28 with 245/35-19 tires
Rear: 19x9.5" ET33 with 275/30-19 tires
Suspension: D2 Coilovers
Owner: @ashtoncarlisle on IG



whats the offset?
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      01-09-2020, 05:23 PM   #60
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Quote:
Originally Posted by F36GC_NYC View Post
whats the offset?
Thanks for the question!

The offsets for those wheels are:
Front: 19x9" ET28
Rear: 19x9.5" ET33

-Tom
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      01-09-2020, 05:24 PM   #61
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Quote:
Originally Posted by Expert@ApexRaceParts View Post
Thanks for the question!

The offsets for those wheels are:
Front: 19x9" ET28
Rear: 19x9.5" ET33

-Tom
ahh thats what ET meant.. my apologies im a noob

if i wanted a more concave look.... lower offset? assuming i went 19x9.5 all around.
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      01-09-2020, 06:29 PM   #62
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Quote:
Originally Posted by F36GC_NYC View Post
ahh thats what ET meant.. my apologies im a noob

if i wanted a more concave look.... lower offset? assuming i went 19x9.5 all around.
No worries! Some people use ET, others will give a + and then a number to indicate positive offset (+25 for example would be the same as ET25). The majority of OE wheels and aftermarket wheels have a positive offset.

Our wheel profiles (level of concavity) are independent of the offset and depend on the design of the wheel. Oftentimes lower offset wheels are more concave, but that is not always the case and should not be applied as a general rule. When looking at wheels on our website in the specifications section you can see what profile the wheels are. In the case of ARC-8s, profile 1 is a wheel with a flat face and profile 3 is maximum concavity.

The 19x9.5 ET33 is a profile 3 wheel (the most concave). In order to fit that wheel all the way around you would need to run 255/30-19 tires and front spacers. Depending on your tire choice, a rear fender roll may be required.

Thanks!

-Tom

Last edited by Expert@ApexRaceParts; 01-09-2020 at 06:38 PM..
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      04-03-2020, 04:06 PM   #63
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18" Stagger Setup on F30 340ix

I reused the 18x8.5" ET38 APEX ARC-8 Front and 18x9.5" ET35 APEX ARC-8 Rear wheels I had on my E90 and now on my 340ix. Looking at the Apex Wheel site for this model it looks like that setup was good. Tires are 225x45/18 and 255x40/18. The car is not lowered and no rubbing issues thus far. My only complaint is that the rear wheels stick out about 3/8" outside the fender well in the rear. The fronts I had put on 5mm spacers to balance the look out but thinking 10mm spacers maybe better. Any thoughts on this setup?
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      04-03-2020, 07:14 PM   #64
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Quote:
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I reused the 18x8.5" ET38 APEX ARC-8 Front and 18x9.5" ET35 APEX ARC-8 Rear wheels I had on my E90 and now on my 340ix. Looking at the Apex Wheel site for this model it looks like that setup was good. Tires are 225x45/18 and 255x40/18. The car is not lowered and no rubbing issues thus far. My only complaint is that the rear wheels stick out about 3/8" outside the fender well in the rear. The fronts I had put on 5mm spacers to balance the look out but thinking 10mm spacers maybe better. Any thoughts on this setup?
Thanks for the question! While the 18x9.5 ET35 can work on the rear of the F3X, it isn't an ideal bolt-on fitment as you've discovered. If you want to run a larger spacer in the front, I would recommend a 12mm instead of a 10mm. 10mm spacers are not hubcentric on BMWs and can lead to vibrations/excess wear on your wheel mounting hardware. Even with a 12mm spacer, the 18x8.5 et38 should fit but it will be closer to the outside fender for sure.

-Tom
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      04-07-2020, 08:15 AM   #65
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Quote:
Originally Posted by Expert@ApexRaceParts View Post
Thanks for the question! While the 18x9.5 ET35 can work on the rear of the F3X, it isn't an ideal bolt-on fitment as you've discovered. If you want to run a larger spacer in the front, I would recommend a 12mm instead of a 10mm. 10mm spacers are not hubcentric on BMWs and can lead to vibrations/excess wear on your wheel mounting hardware. Even with a 12mm spacer, the 18x8.5 et38 should fit but it will be closer to the outside fender for sure.

-Tom
What ARC-8 ET# would you recommend with a 18x9.5 rim on this car?
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      04-07-2020, 02:57 PM   #66
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Quote:
Originally Posted by Runner340 View Post
What ARC-8 ET# would you recommend with a 18x9.5 rim on this car?
I would generally recommend our 18x9.5 ET43, but this is only available in our EC-7 wheel design. You could run our 18x9.5 ET58 ARC-8 wheel with a 14 or 15mm spacer to achieve similar results if you are willing to run a large spacer in the rear.

-Tom
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