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      06-08-2009, 07:06 PM   #1
Eddy@ApexWheels
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//APEX\\ 18x8.5" and 18x9.5" direct fitment, light weight track wheels

APEX ARC-8 1 series specific WIDE track setup: 18x8.5" Front 18x9.5" Rear

After sharing a booth with BERK technology and HP Autowerks at BimmerFest 2009, we at ApexRaceParts.com decided to release our ARC-8 light weight track wheel in a 1 series direct fitment.

BERK has been looking for the widest setup that can fit under a 1 series with the most r-compound rubber possible without fender rubbing issues. The 18" version of our ARC-8 wheel fits the bill.

THESE WHEELS ARE IN STOCK NOW!

CLICK HERE FOR 18x9.5" et62 REAR
CLICK HERE FOR 18x8.5" et38 FRONT
  • Flow-form forged
  • ULTRA LOW WEIGHT: Rear 18x9.5" wheel is 18.20lbs, Front 18x8.5" is 18.45lbs
  • They are available in 4 colors: Hyper Silver, Hyper Black, Anthracite, Satin Black
  • They have excellent BBK clearance
  • lots of room for thick impact sockets (lugs are not recessed into a deep narrow whole like other wheels)
  • Accept OEM bmw click-in roundels part# 36 13 1 095 361 and #36-13-6-783-536

PRICING:

18x8.5" $289 each
18x9.5" $314 each


Color Comparison 17x9" wheels shown as example only, not design


18x9.5" et62 Satin Black


18x8.5" et38 Hyper Black on Scale









Last edited by Eddy@ApexWheels; 02-07-2010 at 03:19 PM.. Reason: added pricing
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      06-08-2009, 08:14 PM   #2
WhiteSled
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Official list for the 18x8.5 and 18x9.5 1 series wheels:
1. WhiteSled
2.
3.
4.
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      06-08-2009, 08:29 PM   #3
AW135i
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Hi Paintpro21,

I love the width and offset for the rear wheels. But funny as it sounds, I'm concern about the 38 offset for the front wheel. From my calculation, it's going to be pushed out about 1" from the stock wheel. I don't want to roll the fenders, what's you thought on tire size and suspension lowering?

Thanks,
AW135i
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      06-08-2009, 08:35 PM   #4
Eddy@ApexWheels
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Quote:
Originally Posted by AW135i View Post
Hi Paintpro21,

I love the width and offset for the rear wheels. But funny as it sounds, I'm concern about the 38 offset for the front wheel. From my calculation, it's going to be pushed out about 1" from the stock wheel. I don't want to roll the fenders, what's you thought on tire size and suspension lowering?

Thanks,
AW135i
BERK is currently running 18x8.5" et38 in the front. tire selection will have a lot of say on how they will fit in the front. Camber plates would be the BEST way to solve any front fender issues, in addition to being one of the best mods for track and autocross use. BERK would have to step in and comment on front fitment as they have the most experience with it.
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      06-08-2009, 08:43 PM   #5
AW135i
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Since it's a 8.5" wide rim, I'm looking to run 235/35/18 for the front. Maybe Berk can chime in with any advise on this.

On the Berk car, I'm not sure if they have the wide front fenders.

Edit: tire size should be 235/40/18

Last edited by AW135i; 06-08-2009 at 09:05 PM.. Reason: correct tire size
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      06-08-2009, 08:48 PM   #6
Eddy@ApexWheels
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Quote:
Originally Posted by AW135i View Post
Since it's a 8.5" wide rim, I'm looking to run 235/35/18 for the front. Maybe Berk can chime in with any advise on this.

On the Berk car, I'm not sure if they have the wide front fenders.
I know they are running a 255/35 R1R's up front, which has a wider shoulders than most street tires. Not to mention wider in general. 235 should fit great.
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      06-08-2009, 09:10 PM   #7
AW135i
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Quote:
Originally Posted by paintpro21 View Post
I know they are running a 255/35 R1R's up front, which has a wider shoulders than most street tires. Not to mention wider in general. 235 should fit great.
I think Berk is running max camber for the track and I'm not looking to do that, my use is for the streets. But I'm sure they can shed more light on this.

I am very interested in the wheels, I applaud you for stepping up as a vendor and making this available.
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      06-09-2009, 07:50 AM   #8
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I run a 245 PS2 on an 8.5" rim with a 38ET no problems. if you go with a squarer tire you'll need to go with a 235. and if you run a bunch of neg camber you could probably fit a 255.

These wheels look good I'm definitely going to consider them.
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      06-09-2009, 08:28 AM   #9
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Paintpro, do you have a +25 18x9.5 for these wheels? Or something close to that? I am very interested in these wheels, but the front won't fit me as I am running a widebody kit soon. Also, you may want to consider running a batch of these in competition gold or bronze. They are the in colour now!
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      06-09-2009, 09:33 AM   #10
AW135i
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Quote:
Originally Posted by BMWeber View Post
I run a 245 PS2 on an 8.5" rim with a 38ET no problems. if you go with a squarer tire you'll need to go with a 235. and if you run a bunch of neg camber you could probably fit a 255.

These wheels look good I'm definitely going to consider them.
Can I ask if you rolled your front fenders, are you lowered and what's your camber setting.

Thanks,
AW135i
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      06-09-2009, 10:12 AM   #11
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aren't these a little aggressive for the 1er, offset wise? if not let me know the weights of the staggered 18s in silver, and can these fit the BMW center caps?
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      06-09-2009, 06:50 PM   #12
Eddy@ApexWheels
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Quote:
Originally Posted by Add1ct View Post
aren't these a little aggressive for the 1er, offset wise? if not let me know the weights of the staggered 18s in silver, and can these fit the BMW center caps?
In my first post I mentioned that they will be 18-19~lbs. and that they accept bmw oem roundel click in center caps, part #36 13 1 095 361.

Quote:
Originally Posted by paintpro21
  • Flow-form forged
  • 18-19lbs range depending on width
  • will be available in 4-5 colors: Hyper Silver, Motorsport Silver, Hyper Black, Matte Black, Anthracite
  • They have excellent BBK clearance
  • lots of room for thick impact sockets (lugs are not recessed into a deep narrow whole like other wheels)
  • Accept OEM bmw click-in roundels part# 36 13 1 095 361
  • Pricing will be $300+/- depending on width (still to be determined)
The rear is not aggressive at it has the most conservative offset for the 1 series to date. the front is at an offset/size being run by other people already. IF we get enough people together I could tweak the offset to 40mm, but it would be a total waste of production to have a 2mm different wheel produced, since et38 works on every single other car out there.


Quote:
Originally Posted by WAY
Paintpro, do you have a +25 18x9.5 for these wheels? Or something close to that? I am very interested in these wheels, but the front won't fit me as I am running a widebody kit soon. Also, you may want to consider running a batch of these in competition gold or bronze. They are the in colour now!
We are producing these in 18x10" et25 and 18x9.5" et35. I'd go with the 18x10's if you can fit 18x9.5" et25, or the 9.5's could be run with a spacers. They'll have an aggressive concave face to them. and not the CSL style that is flat near the outer edge and then concave at the hub, but aggressive flat spokes angled inward

E46/E36 caliper fitment NOT 1 SERIES FITMENT shown below
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      06-09-2009, 07:30 PM   #13
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No hubcentric shim rings, right? (I'm thinking about my current LTW5's, and hate those damn things).
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      06-09-2009, 08:16 PM   #14
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I'm in to see how this turn out. I've got my heart set on another wheel, but if it doesn't work out, I'll jump on this one.
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      06-09-2009, 09:44 PM   #15
larryn
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Official list for the 18x8.5 and 18x9.5 1 series wheels:
1. WhiteSled
2. larryn - hyper silver (I assume that's the RG-R like finish)
3. BERK
4.


Let's get this done!

I'd still like an answer on the hubcentric fitment though. I definitely do NOT want to have shim rings.
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      06-09-2009, 09:50 PM   #16
larryn
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Quote:
Originally Posted by AW135i View Post
I think Berk is running max camber for the track and I'm not looking to do that, my use is for the streets. But I'm sure they can shed more light on this.

I am very interested in the wheels, I applaud you for stepping up as a vendor and making this available.

I have unusually fat 245's up front with a 17x9 ET41... but need a 5mm spacer, due to the wheel being too close to the strut. ET 38 on a 8.5 should eliminate that issue.

I don't have camber plates, but removed the alignment pin, and have a mild roll up front. You should be fine with a 235.
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      06-09-2009, 10:12 PM   #17
AW135i
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Quote:
Originally Posted by larryn View Post
I have unusually fat 245's up front with a 17x9 ET41... but need a 5mm spacer, due to the wheel being too close to the strut. ET 38 on a 8.5 should eliminate that issue.

I don't have camber plates, but removed the alignment pin, and have a mild roll up front. You should be fine with a 235.
Can you tell me what camber setting you have on the front? With the ET38, I'm not concern with suspension clearance with a 235 tire since the package will be further out than stock. Rather, my concern is with the fender since the wheels will be about 1" further out than stock.
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      06-10-2009, 01:32 AM   #18
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The center bore on the 1 series like most bmw's is 72.56mm. These wheels are designed to fit that perfectly without the need for rings (72.6mm).
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      06-10-2009, 03:43 AM   #19
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Quote:
Originally Posted by paintpro21 View Post
In my first post I mentioned that they will be 18-19~lbs. and that they accept bmw oem roundel click in center caps, part #36 13 1 095 361.



The rear is not aggressive at it has the most conservative offset for the 1 series to date. the front is at an offset/size being run by other people already. IF we get enough people together I could tweak the offset to 40mm, but it would be a total waste of production to have a 2mm different wheel produced, since et38 works on every single other car out there.




We are producing these in 18x10" et25 and 18x9.5" et35. I'd go with the 18x10's if you can fit 18x9.5" et25, or the 9.5's could be run with a spacers. They'll have an aggressive concave face to them. and not the CSL style that is flat near the outer edge and then concave at the hub, but aggressive flat spokes angled inward

E46/E36 caliper fitment NOT 1 SERIES FITMENT shown below
Damn it, not going to work for me! I am getting a front only widebody kit, so I still need the rear from the 1 series GB. But I need fronts to match! I don't want to use spacers as my car is a race/track car. Possible to custom make 18x9.5 et 25 for the front?
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      06-10-2009, 09:13 AM   #20
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Quote:
Originally Posted by AW135i View Post
Can you tell me what camber setting you have on the front? With the ET38, I'm not concern with suspension clearance with a 235 tire since the package will be further out than stock. Rather, my concern is with the fender since the wheels will be about 1" further out than stock.
I'm at -1.5deg right now and lowered with springs (not coilovers). I'm thinking that you should have no issues whatsoever.
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      06-10-2009, 11:02 AM   #21
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Quote:
Originally Posted by WAY View Post
Damn it, not going to work for me! I am getting a front only widebody kit, so I still need the rear from the 1 series GB. But I need fronts to match! I don't want to use spacers as my car is a race/track car. Possible to custom make 18x9.5 et 25 for the front?
There is nothing wrong with spacers. I'd say that 80% of the people at the track are running spacers if they have aftermarket wheels on. so that they can clear their tires from the strut tube or a bbk.

We'll have an 18x9" et42 that you could spacer out. that keeps the same face angle as the 1 series 9.5 rears.

It is not possible to custom make a set. Sorry
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      06-10-2009, 03:00 PM   #22
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Quote:
Originally Posted by larryn View Post
Official list for the 18x8.5 and 18x9.5 1 series wheels:
1. WhiteSled
2. larryn - hyper silver (I assume that's the RG-R like finish)
3. BERK
4.


Let's get this done!

I'd still like an answer on the hubcentric fitment though. I definitely do NOT want to have shim rings.
We currently only make bmw wheels, and these are being made exclusively for the 1 series in this fitment so they are a 100% bolt on with no need for rings.

the Hyper silver looks like this image below (ignore the 4x4 ride height)

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