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Old Thu, Sep-13-2012, 11:01:01 PM   #1
ApexRaceParts
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Default Apex EC-7 Wheels: Now Available!



APEX EC-7 Wheels

APEX is proud to introduce its new EC-7 wheel. This new wheel addresses the concerns of more and more racers and track day enthusiasts: long term durability, fitment, and performance. With the increase of faster and heavier cars being used in racing, HPDEs, and spirited driving, the EC-7 was designed and engineered to handle extreme abuse on track and street, offer a wide range of direct fitments, while still producing a lightweight wheel.

A performance-optimized build begins with the perfect wheel fitment. Without the perfect offsets, maximum tire widths and the potential of your car are always compromised. With this in mind, the EC-7 has three unique face profiles ranging from shallow to deep concavity resulting in 14 unique 18" sizes, and 10 unique 19" sizes. This wide range of fitments allows for vehicle-specific caliper clearance, offsets, and tire widths, creating the most optimal setup possible.

Visit our website to order


The Good Stuff




1. They Fit Everything
The EC-7 adds 7 new BMW sizes not available in the ARC-8 design. The 3 face profiles offer maximum concavity and reduced weight. This avoids the common adaptation of a single face profile for unintended fitments or dependency on spacers.

2. Factory Support
Like all our APEX wheels, The EC-7 supports all OEM hardware like OEM Roundel center caps, wheel lugs, valve stems, and TPMS sensors. No centering rings are needed either, as all of our 5x120 wheels use a 72.56mm center bore.

3. Brake Clearance
If the spokes of a wheel don't clear your brake calipers, then the wheel can't be used at all. We made sure all 18" APEX EC-7 wheels can properly clear OEM steel brakes without spacers. Because of the large variation in clearance needs, we produced the EC-7 wheel using three unique face profiles. When the correct profile is used for each specific vehicle application, all big brake kits can clear the spokes spacer-free, including the Brembo 6-piston 380mm kit.

4. Concavity
Multiple face profiles are utilized to maximize spoke concavity and reduce weight on the EC-7 design. This allows us to maintain our great brake clearance and concave spoke curvature.


Designed for the Performance Enthusiast

Light-weight
Flow-forming allows for a significant reduction in rotational mass by reducing barrel weight. This manufacturing technique allows our wheels 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. We design our spoke dimensions to help 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.

Chassis-Specific Fitments
Stretched rubber, narrow tires, and fender rubbing are not elements to look for in a competitive wheel/tire setup. All of our 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 Fitment Options
Most BMWs come with a staggered setup from the factory. 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 and consideration of tire costs. Most BMW chassis benefit from being able to fit both square and staggered setups with relative ease. 9.5” or 10”-wide 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 models for track use due to the significant increase in front grip and turn-in response. Some 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. Wheels up to 11" wide 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 a smaller-diameter wheel that can clear large calipers is a must. Due to the low-offset nature of many BMWs, there are no clearance issues with the concave spokes. Barrel clearance was increased during the design phase to accommodate both StopTech and Brembo's 380mm kit.


The APEX Standard



1. FEA Optimization
We took more time than ever before on this step, revising and iterating our design to reduce weight as much as possible. After countless iterations we removed material from the sides of the spokes in a way that allowed us to increase strength over our previous designs.

2. Always Flow Formed
All APEX wheels feature Flow-Formed construction that utilizes rotary forging to produce a strong and lightweight barrel. The EC-7 is no exception.

3. True JWL & VIA Certification
Strength needs to be certified. Our wheels were not simply FEA tested in a computer simulation, or in-house tested to an unregulated standard. We conduct real-world crush-testing and all of our wheels conform to Japan’s JWL standard, as well as being 3rd-party tested by the VIA. All of our wheels carry a 690KG load rating.


Available Finishes




Face Profiles




Sizes, Weights, and Pricing


18" Sizes
19" Sizes
Questions about tires, fenders, brakes, spacers, or suspension clearances?
Click here to get a personalized fitment recommendation from one of our experts.



On-Car Photos


Shown above: E46 M3 with 19x9" ET35 and 19x10.5" ET22 in Anthracite with 245/35/19 and 275/35/19 tires.


Shown above: E92 335i with 18x9" ET31 and 18x10" ET33 in Race Silver with 255/35/18 and 265/35/18 tires.


Shown above: F82 M4 with 18x10" ET33 in Satin Black with 285/35/18 tires all around.

Check out our extensive collection of photos on our Flickr page. See more EC-7 photos >>>

Tire Mounting and Balancing Service



Popular street and track tires are now available when you order APEX wheels. Add tires with your wheel order and get free tire mounting and balancing by our trusted enthusiast technicians. We use high-end, touchless equipment and inspect every wheel and tire combo thoroughly before they leave our warehouse. With our competitive tire pricing bundled with the savings of free mounting and balancing and convenience, it’s the ultimate wheel & tire package.

*Note: Tires will only ship mounted to the wheels in your order, and can not be sold separately. Tires and wheels must be purchased in the same transaction. Tire-only orders will be cancelled and refunded.

Available Tire Brands:

Ordering and Contact Information
  • Hours: Monday - Friday, 9AM to 6PM PST
  • Shipping: All orders are shipped directly from us via UPS. Local pickup also available at our Livermore, CA Warehouse. (Map It)

Last edited by ApexRaceParts; Fri, Sep-01-2017 at 08:24:13 PM.
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Old Fri, Sep-14-2012, 03:45:41 AM   #2
rev68
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Default Re: Apex EC-7 Wheels: Now Available!

Have a recommended/suggested staggered setup for an e46 m3 running stoptech w/380mm, while keeping weight down as much as possible, but not sacrificing too much grip surface?
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Old Fri, Sep-14-2012, 04:49:54 AM   #3
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Default Re: Apex EC-7 Wheels: Now Available!

Nice!
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Old Fri, Sep-14-2012, 01:34:44 PM   #4
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Default Re: Apex EC-7 Wheels: Now Available!

Joe,

What wheel/tire/suspension fitment is this? I'm interested in 18x10's for E90M3 but don't want this much poke.

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Old Fri, Sep-14-2012, 08:08:01 PM   #5
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Default Re: Apex EC-7 Wheels: Now Available!

Quote:
Originally Posted by gspot35 View Post
Joe,

What wheel/tire/suspension fitment is this? I'm interested in 18x10's for E90M3 but don't want this much poke.

M3-EC-7-front-fitment-sm | Flickr - Photo Sharing!
This car is using an 18x10" ET25 in the front but there are other factors that are making the wheel/tire poke out more than it normally would on a correctly fitted car.
  1. It is equipped with KW V3 coilovers and the wheel/tire was hitting the spring before fully seating onto the hub making it look as if the wheel is poking more than it actually should be.
  2. It is also equipped with a 275/40/18 Toyo R888 tire that is too tall of a fitment for the front of an E9x M3. This appears bulged out on the 18x10" ET25 making the wheel/tire setup again look as if it has more poke than it actually should.
The set up on this car was purely a test fitment and to get some photos of the wheels out there for you guys.


Last edited by ApexRaceParts; Wed, Aug-27-2014 at 08:54:54 PM.
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Old Tue, Sep-18-2012, 09:18:36 PM   #6
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Default Re: Apex EC-7 Wheels: Now Available!

Check out my pics of EC7 in my thread in DE section.

EC-7!!!

Nice wheels. Thoroughly more impressed by these over the ARC-8!
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Old Tue, Sep-18-2012, 09:56:26 PM   #7
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Default Re: Apex EC-7 Wheels: Now Available!

^^I agree..they look better over ARC-8.
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Old Tue, Sep-18-2012, 10:08:56 PM   #8
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Default Re: Apex EC-7 Wheels: Now Available!

bump for a great wheel/design.
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Old Wed, Sep-19-2012, 01:23:44 AM   #9
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Default Re: Apex EC-7 Wheels: Now Available!

I think the ARC-8's look better on a properly setup E46 M3.

These look better suited on an e9x car, but still look good on an e46, just not as good as ARC-8's...

Just look at that yellow e9x, EC7's set it off...

Thanks for bringing us all these awesome wheels Apex!
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Mods: Coyne Performance built ///M3, Carrillo, Mahle pistons ARP, Schrick 280/288, TTFS, CSL Airbox, CSL ECU, CSL MAP, CSL air rail, SuperSprint stepped, Larini exhaust, 3.91 gears, Pulleys, TCKline S/A coilovers, PowerFlex RTAB's, AKG Subframe, FCAB, Differential, Apex ARC-8's, Turner subframe reinforcement, Michelin PSS, Laser Interceptor, Coby Alcantara wheel, Beisan Vanos Fixes, Brembo BBK

Last edited by dafoe; Wed, Sep-19-2012 at 01:30:58 AM.
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Old Thu, Sep-20-2012, 10:13:18 PM   #10
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Default Re: Apex EC-7 Wheels: Now Available!

Sexy car LOL. Wheels are not too shabby either.
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Discussing Apex EC-7 Wheels: Now Available! in the Parts for Sale/Wanted Forum - Post your Parts Wanted, and non commercial bmw related items for sale. We ask that companies selling goods become a Sponsor to advertise your goods. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)