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Thread: ► APEX | ARC-8 Light Weight Track Wheels

  1. #1
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    ► APEX | ARC-8 Light Weight Track Wheels

    APEX ARC-8 Wheels

    APEX ARC-8 wheels were designed to meet the specification needs of HPDE, race, and autocross drivers, while exceeding the requirements for every day street use. This makes them the perfect cost effective, dual duty wheel.


    APEX ARC-8 in Hyper Silver


    Meeting the Performance Enthusiast’s requirements:

    Light-weight: Flow-forming allows for a significant reduction in rotational mass by reducing barrel weight. This manufacturing technique allows the ARC-8 wheel to be almost as light as a traditional forged wheel, but without the significant increase in price.

    Strength: Track duty requires a wheel that can handle the punishment of high lateral G’s, hitting berms, and every once in a while a small off track excursion. Spoke and barrel design are a major factor in wheel strength. The flow-forming technique uses high pressure disks/rollers to roll the wheel’s barrel into its final shape. This gives the barrel the same strength properties as a forged wheel, since monoblock wheels go through a similar step to form their barrels. The ARC-8's mesh design helps evenly distribute loads from the barrel to the center of the wheel. The lack of a front lip, and spokes directly connecting to the edge of the wheel, also add increased strength to the outer lip of the wheel. Although a front lip can reduce weight, it can also make the wheel much more prone to bending, and this was an important factor when developing the wheel.

    Once a design is selected, it needs to be tested and certified for strength. The ARC-8 wheels were not just FEA tested in a computer simulation, or in house tested to an unregulated standard. They follow Japans JWL standard, and are 3rd party tested there by the VIA in Japan. All 18" ARC-8 wheels have a 690KG load rating.

    Proper tire fitment: Stretched rubber, narrow tires, and fender rubbing are not elements to look for in a competitive wheel/tire setup. The ARC-8 wheels were designed with offsets that allow for proper fitment of extreme summer, and r-compound tires without the need for spacers or fender rolling. This means keeping the tire under the fender, and away from suspension components. Track oriented wheel widths are also important as they provide proper sidewall support under hard cornering. Too much rubber for a wheel results in excessive sidewall deflection, which translates into sloppy and delayed turning response.

    Multiple fitments: Most BMW’s come with a staggered setup. Some choose to keep their car this way, while others like to switch out for an easy to rotate, square/neutral setup. This is generally based on driver’s preference in addition to costs. The E46 M3 benefits from being able to fit both square and staggered setups with relative ease. 9.5” or 10” square setups are great for budget minded enthusiasts who want to extend their tires life by rotating between events, in addition to preferring the feel of a square setup. Square setups are popular on all 3 series models for track use due to the significant increase in front grip and turn in response. Some E46 M3 owners comment that due to the extra power of their cars, a square setup will lean towards oversteer. For those who prefer more rubber in the rear, a staggered setup is the way to go. 10” and 10.5” wheels are available for rear fitment. These can be combined with 9.5” or 10” fronts for a bolt-on spacer free staggered setup.

    BBK clearance: Many owners install Big Brake kits on their cars. Having an 18” wheel that can clear large calipers is a must. Due to the low offset nature of the E46 M3, there are no clearance issues with the concave spokes of the ARC-8 wheel. Barrel clearance was increased during the design phase to accommodate StopTech’s 380mm kit. The only kit that poses an issue at this time is the 380mm Brembo setup.


    Meeting the needs of Daily/Street use:

    Aesthetic design: Although the ARC-8 put function over form when meeting the above requirements, there is no denying that concave mesh wheels look at home on a BMW.

    Paint finishes: All the wheel have a multi-coat painted finish including a full clear coat except for the Satin finish which does not have a clear (that would have made it gloss black). To give owners more options the wheels are offered in 4 different finishes. Hyper Silver, Hyper Black, Anthracite, and Satin Black. Not everyone wants their track day wheels to be grey.

    Abuse of street use: The world is full of pot holes and random things to run over. APEX wheels have an excellent history of handling abuse. To date we’ve only had one wheel with a minor bend and another with a hair line crack on the inner barrel lip. Both these wheels came from the same dedicated race car, and the bent wheel is still out there racing today.

    Multiple fitments: Due to the more conservative nature of street use, the ARC-8 wheel is also available in sizes that can fit more street oriented rubber, at offsets that are an easier fit. Wider more aggressive wheels can be used by those who like a more flush/filled out look. The choice is yours.

    Certification: The race track has no wheel strength requirements, but the street does. Sadly the USA has very lenient/minimal regulations of wheel strength, unlike like Japan and Germany. APEX wheels are independently tested by the Vehicle Inspection Association of Japan (VIA) to the JWL standard. Wheels tested to the JWL standard require all wheels on the road to meet specific load rating requirements based on the bolt pattern, and dimensions of the wheel, the application/vehicle model has nothing to do with it. In comparison, wheels tested to the SAE standard in the USA can pick their own load rating, which can be as low as they want. This defeats the purpose of the test, as a wheel manufacturer can choose to underrate their wheels in order to reduce wheel weight. Wheels claiming JWL testing, but no 3rd party verification are prone to certifying untested/unproven wheels. VIA certification can not be done in house. It requires sending wheels/tires to japan for crush testing. Sadly a large number of vendors claim their wheels are VIA, JWL and even TUV certified, when in fact they were never tested by those organizations at all, and in some cases don't even meet the standard requirements of those tests. For this reason the certificate numbers for the ARC-8 wheels have been listed below. Self regulate the market, and ask all vendors to back up their claims. If they were tested, then they'll have the registration numbers.


    Available Sizes, Weights, and Pricing:
    17x8.5" ET20 - 16.50lbs - $259
    17x8.5" ET40 - 17.20lbs - $249
    17x9.0" ET30 - 16.50lbs - $264
    17x9.0" ET42 - 17.20lbs - $259
    17x9.5" ET35 - 16.95lbs - $269
    17x10" ET25 - 18.45lbs - $284
    17x10.5" ET27 - 18.95lbs - $299
    18x8.5" ET38 - 18.45lbs - $289
    18x8.5" ET45 - 18.20lbs - $289
    18x9.0" ET42 - 18.65lbs - $299
    18x9.5" ET62 - 18.20lbs - $314
    18x9.5" ET35 - 18.85lbs - $314
    18x9.5" ET22 - 19.20lbs - $314
    18x10" ET25 - 19.95lbs - $324
    18x10.5" ET27 - 20.45lbs - $344

    Available Finishes
    • Hyper Silver
    • Hyper Black
    • Anthracite
    • Satin Black

    Warranty Summary:
    2 year Structural, 1 year limited finish warranty guarantees wheels will be free from defects in materials, workmanship and paint finish under normal and reasonable use.



    Please click the images for a higher resolution version.

    Ordering and Contact
    • Phone: Call (888) 499-9135 EXT. #1 for phone orders.
    • Payment: Credit and Debit Cards: Visa, Mastercard, AMEX, Discover, PayPal. Bank Wire Transfers are also available. Contact us to use a wire transfer for payment on your order.
    • Tax: California customers will be charged 9.00% CA sales tax.
    • Shipping: APEX ships all orders with UPS.
    • APEX Hours:
      Monday thru Friday: 9AM to 5PM PST
      Saturday and Sunday: Closed
    • Warehouse and local pickup: The APEX warehouse is at 7888 Marathon Drive, Unit A, Livermore, CA, 94550 (Map It), (888) 499-9135 EXT. #2. This is where you pick up local orders.
    Last edited by Eddy@ApexRaceParts; 08-04-2014 at 11:58 PM.

  2. #2
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    What's the group buy pricing?
    991 | 964 | G55 | D90 | LX570 |

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  3. #3
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    Is this just a general advertisement thread?
    991 | 964 | G55 | D90 | LX570 |

    Past: SC'd e34 540/6, CSL'd E46 M3, E36 M3/4/5, E36 M3 turbo, E36 M3, 335D, Porsche 951, 80 Series LC, Kleeman E55 Wagon, LX470, 970 Panamera TT, E92 M3

  4. #4
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    Quote Originally Posted by E34nication View Post
    What's the group buy pricing?
    We are not currently hosting a Group Buy on the 18" ARC-8's at this time. We should have one at the beginning of the coming year, which is when we usually host our Group Buys.

  5. #5
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    Gotcha. Saw a new thread in the group buy forum and thought there might be one for the 17's starting up.
    991 | 964 | G55 | D90 | LX570 |

    Past: SC'd e34 540/6, CSL'd E46 M3, E36 M3/4/5, E36 M3 turbo, E36 M3, 335D, Porsche 951, 80 Series LC, Kleeman E55 Wagon, LX470, 970 Panamera TT, E92 M3

  6. #6
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    Just curious, generally how much of a discount is given in the group buy? I'm pretty sure I'm going to order the 17x9.5 square but don't know if I can wait until next year. If it would save a substantial amount maybe I will hold out.
    CBlock


  7. #7
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    Quote Originally Posted by CblockM3 View Post
    Just curious, generally how much of a discount is given in the group buy? I'm pretty sure I'm going to order the 17x9.5 square but don't know if I can wait until next year. If it would save a substantial amount maybe I will hold out.
    The Group Buy pricing structures change as it depends on which wheels are included in the Group Buy, as well as the levels of participation. There have been discounts of up to $150 in the past for 17" ARC-8's.

  8. #8
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    I'm wondering how the concavity visually between the 17x9.5 +35 vs 18x9.5 +35. Also how much is shipping to Canada roughly. Thanks.
    - BMW - BMW Motorsport - UUC - Eibach - Tokico - ZKW! - Predator Chromium - Prolumen - ViS - Depos - Simota - Rieger - M Technic - Lamin X - Goodyear - MYCARR

  9. #9
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    Quote Originally Posted by azngouki View Post
    I'm wondering how the concavity visually between the 17x9.5 +35 vs 18x9.5 +35. Also how much is shipping to Canada roughly. Thanks.
    Visually, the 17" wheels would be a little more concave because of it's smaller diameter, which makes the angle of concave spokes more aggressive than with the larger wheel diameter. Sending you a PM with shipping quotes to Canada.

  10. #10
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    These are gorgeous wheels and I'll be interested to purchase around the new year when the group buy comes around. I would like to have an aggressive look with my e36, preferably with a deep enough concave as well. I'm thinking of 18's...

    Not sure how they'd look and/or if I'd need extra work (fender roll, etc)

  11. #11
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    Quote Originally Posted by Yaqmo View Post
    These are gorgeous wheels and I'll be interested to purchase around the new year when the group buy comes around. I would like to have an aggressive look with my e36, preferably with a deep enough concave as well. I'm thinking of 18's...

    Not sure how they'd look and/or if I'd need extra work (fender roll, etc)
    In order to get concave wheels to fit on your E36, it will require some fender modifications and negative camber. Please give our product specialists a call at 925.245.0773 when you are ready to make a purchase in order to understand the nuances of the more aggressive fitment on your car.

  12. #12
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    Bring on the group buy!
    CBlock


  13. #13
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    Quote Originally Posted by CblockM3 View Post
    Bring on the group buy!
    You can expect group buys to be coming at the beginning of the year.

  14. #14
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    Updated eta on the 17x9 et30 arc8's? Last I heard it was 8-12 weeks but that was a month or two ago.
    Retired Track E36
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  15. #15
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    Quote Originally Posted by SR20Fastback View Post
    Updated eta on the 17x9 et30 arc8's? Last I heard it was 8-12 weeks but that was a month or two ago.
    Our latest update is that the wheels are expected to arrive towards the end of the year for the 17x9" ET30 ARC-8's to be back in stock.

  16. #16
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    So I went on the website last night to order hyper silver arc 8's in 17x9.5 fitment and it wasn't available. Please tell me this isn't discontinued and will be available soon!
    CBlock


  17. #17
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    Quote Originally Posted by CblockM3 View Post
    So I went on the website last night to order hyper silver arc 8's in 17x9.5 fitment and it wasn't available. Please tell me this isn't discontinued and will be available soon!
    The Hyper Silver 17x9.5" ET35 ARC-8's are currently out of stock and on backorder, but we are expecting to have a shipment come in towards the end of the year for a restock. We do have them available in other finishes, such as Hyper Black. The Hyper Silvers are definitely still in production at this time, we are just low on inventory on these specific SKU's right now.

  18. #18
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    Any Black Friday deals ?

  19. #19
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    Quote Originally Posted by carbon monoxide View Post
    Any Black Friday deals ?
    Our Black Friday deals are coming! You can sign up for our newsletter and receive updates and early access to our great deals or check back to this thread below:

    http://www.bimmerforums.com/forum/sh...-Weekend-Deals!

  20. #20
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    Rather than bump this and about 6 threads per forum per day, maybe the better course would be to break down and announce the Black Friday deals once and for all so people can purchase accordingly. Seems like a much more efficient use of time.
    Now in E92 M3 ZCP -- Absolute beast

  21. #21
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    Bring on the group buy already!
    CBlock


  22. #22
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    Quote Originally Posted by CblockM3 View Post
    Bring on the group buy already!
    The Group Buys periods will be beginning after the new year in 2015.
    Last edited by Eddy@ApexRaceParts; 12-05-2014 at 05:48 PM.

  23. #23
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    Hey Eddie, ordered the 17x9.5s over thanksgiving. Just wondering if you have any idea when they will come off backorder? Thanks.
    CBlock


  24. #24
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    I hope these will be included in your next group buy, I'd love to get some of these for my E36!
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  25. #25
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    Keep your eyes open for any information regarding group buys.

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