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      09-13-2012, 06:38 PM   #1
Expert@ApexRaceParts
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► APEX | EC-7 Wheels Now Available! *BRAND NEW!!*



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 5PM PST
  • Shipping: All orders are shipped directly from us via UPS.

Last edited by Expert@ApexRaceParts; 07-16-2019 at 05:11 PM..
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      10-26-2012, 02:35 PM   #2
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Quote:
Originally Posted by David@ApexRaceParts View Post
The Profile 3 EC-7s look great on the rear of a Z4MC, as seen on TC Kline's Carbon Coupe!



Feel free to give us call directly if you have any questions!
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      10-26-2012, 07:15 PM   #3
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What size tire is this car able to run up front? Looking for a square set up that can be rotated but at 9.5 upfront with that offset I'm worried about rubbing.

(Referring to the blue roadster above)
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      10-26-2012, 07:26 PM   #4
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Quote:
Originally Posted by Krypptic View Post
What size tire is this car able to run up front? Looking for a square set up that can be rotated but at 9.5 upfront with that offset I'm worried about rubbing.

(Referring to the blue roadster above)
That car is using an 18x9.5" ET22 EC-7 with a 255/35/18 tire. If you are looking for a square set up ideally you would use an 18x9.5" ET35 since the 9.5" ET22 is already a very aggressive set-up in the front of a Z4 M Coupe. You will need at least -3 degrees of camber in the front obtained through camber plates and we like to see a 265/35/18 tire used as well. With this set-up most people will use a 12mm spacer in the rear for aesthetic purposes of pushing the wheel out more.
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      11-14-2012, 08:09 PM   #5
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A set is on the way today!
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      02-12-2013, 01:32 AM   #6
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It's all Z4Ms, do these still fit the non-M Z4?

Or no M, no care?
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      02-12-2013, 01:12 PM   #7
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Quote:
Originally Posted by psygnosis View Post
It's all Z4Ms, do these still fit the non-M Z4?

Or no M, no care?
The EC-7's will absolutely fit on your Z4. There are actually a couple of new fitments in the EC-7 that would allow you to use a wider 265/35/18 rear tire where you could not before. With the ARC-8 wheel you were limited to using an 18x9.5" ET35 which is still wide at 9.5" but the offset is a little low if you are looking to use a tire wider than 255 width. The EC-7 is available in a new 18x9.5" ET43 size that lets you use that wider rear tire but still retains the wheel concavity people look for. In the front you can use our 18x8.5" ET35 or possibly other wider wheels with the required modifications.

Unfortunately we do not have any photos of EC-7's on a non-M Z4 at this time but feel free to give us a call with any questions you may have about fitment or the wheels.
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      04-25-2014, 03:33 PM   #8
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You guys ever do group buys or discounts on shipping?
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      04-25-2014, 08:22 PM   #9
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Quote:
Originally Posted by SDCoupe View Post
You guys ever do group buys or discounts on shipping?
We do host Group Buys usually at the start of a new year, which does offer free shipping. We do not have any Group Buys planned for the near future, but we'll be sure to post it on the forums, our website, and our blog when we do.
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      06-28-2014, 04:31 PM   #10
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Hey Dave was getting an issue when trying to view the gallery on the Apex website. Got any pics of Titanium Silver with either Anthracite or maybe even a one off in Hyper Black?
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      06-30-2014, 04:57 PM   #11
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Quote:
Originally Posted by blitzkrieg989 View Post
Hey Dave was getting an issue when trying to view the gallery on the Apex website. Got any pics of Titanium Silver with either Anthracite or maybe even a one off in Hyper Black?
Here are a couple photos of a TiAG Z4 M Coupe on Anthracite EC-7's:





The EC-7's do not come in Hyper Black, only the ARC-8's do. Here are a couple photos of Hyper Black ARC-8's on TiAG Z4M's:



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      07-31-2014, 01:53 PM   #12
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Quote:
Originally Posted by ApexRaceParts View Post
EC-7's are in stock for your Z4! This is TC Kline's Carbon Coupe using our 18x9.5" ET22 and 18x10.5" ET27 wheels with Hoosier R6 racing slicks.



Please call, pm, or email us with any questions you may have.
Do you know approximately what camber was needed to fit the front 9.5? The 10 Rear should fit without any needed camber adjustment correct? (profile 3)
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      07-31-2014, 04:20 PM   #13
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Quote:
Originally Posted by Skiddish View Post
Do you know approximately what camber was needed to fit the front 9.5? The 10 Rear should fit without any needed camber adjustment correct? (profile 3)
This car actually has a widebody kit on it, so fitting the 18x9.5" ET22 on the front of it is a bit easier than a stock body Z4M. We believe that this car is running -3 degrees of camber in the front since it sees track time, though we were not provided that information by the customer.
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      05-26-2015, 01:19 PM   #14
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Restock Alert!
We have thousands of wheels arriving in the next 30 days, including the following fitments for the Z4 M:
  • EC-7 18x8.5" ET35
  • EC-7 18x9” ET31
  • EC-7 18x9.5” ET22
  • EC-7 18x10” ET25

Contact us today to secure your set!
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      07-01-2015, 01:26 PM   #15
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Good things come in all finishes and sizes. Get your EC-7's today!



Our staff is available to answer any fitment questions that you might have.
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      12-02-2015, 12:17 AM   #16
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Anthracite EC-7's looking right at home on the Interlagos Blue Z4M.



The sizes of this setup are: 18x8.5" ET35 and 18x9.5" ET22

Please let us know if you have any questions and we'd be happy to help!
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      12-09-2015, 02:18 PM   #17
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EC-7's are in stock for your Z4! This is TC Kline's Carbon Coupe using our 18x9.5" ET22 and 18x10.5" ET27 wheels with Hoosier R6 racing slicks.



Please call, pm, or email us with any questions you may have.
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      12-17-2015, 12:32 PM   #18
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EC-7's look great on this Z4M with 18x8.5" ET35 front wheels, 245/40/18 tires and 18x9.5" ET22 rear wheels with 275/35/18 tires.



Please call, email, or pm us with any questions you may have.
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      08-11-2016, 07:06 PM   #19
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EC-7's are looking very aggressive on this M Coupe. The wheels are 18x9" ET42 with a 5mm wheel spacer and 18x9.5" ET22 with 235/40/18 and 265/35/18 Nitto NT05 tires.



Get the most out of your wheel and tire setup! Contact us today with any questions that you may have.
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      09-27-2016, 02:13 PM   #20
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A stunning example of a Blue Z4MC with Anthracite EC-7's:



Feel free to give us a call or contact us via e-mail or PM with any fitment questions.
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      10-11-2016, 04:26 PM   #21
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The Profile 3 EC-7s look great on the rear of a Z4MC, as seen on TC Kline's Carbon Coupe:



Feel free to give us call directly if you have any questions.
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      04-27-2017, 06:34 PM   #22
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TiAG Z4MC on Anthracite EC-7's:



Feel free to give us a call if you have questions regarding fitment for your Z4 or Z4M.
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