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-   -   APEX ARC-8 light weight Track wheels (1000+ wheels in stock ready to ship) (http://forum.e46fanatics.com/showthread.php?t=936841)

David@ApexRaceParts 08-03-2012 05:28 PM

APEX ARC-8 light weight Track wheels (1000+ wheels in stock ready to ship)
Light Weight Wheels for the E46/ E46 M3


18x8.5" ET38 (18.45lbs) - $289
18x9.0" ET42 (18.65lbs) - $299
18x9.5" ET35 (18.85lbs) - $314
18x9.5" ET22 (19.10lbs) - $314
18x10.0" ET25 (19.95lbs) - $324
18x10.5" ET27 (20.45bls) - $344

17x8.5" ET40 (17lbs~) - $249
17x9.0" ET42 (17.4lbs) - $259
17x9.0" ET30 (16.55lbs) - $264
17x9.5" ET35 (16.95lbs) - $269
17x10.0" ET25 (18.1lbs~) - $284
17x10.5" ET27 (18.95lbs) - $299

Click here for more information for E46 fitment!

Click here for more information for E46 M3 fitment!

All wheel are produced with a BMW specific center bore. No centering rings used. The E46 fitment does not require spacers. Wheels accept TPMS sensors, OEM Lugs, and OEM center caps

http://farm6.staticflickr.com/5097/5...ff8f40df_z.jpg http://farm7.staticflickr.com/6142/5...6d35b540_z.jpg


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.

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.

Wheel/Tire size recommendations for E46:

Square Setup
17x8.5" Front & Rear with 245/40/17
17x9.0" Front & Rear with 245/40/17
18x8.5" Front & Rear with 245/40/18
18x9.0" Front & Rear with 245/40/18

Staggered Setups

17x8.5" Front 245/40/17 - 17x9.0" Rear 255/40/17
18x8.5" Front 245/35/18 - 18x9.0" Rear 255/35/18

Wheel/Tire size recommendations for E46 M3:

Square Setup
18x9.5" Front & Rear with 275/35/18 - Preferred setup
18x10" Front & Rear with 275/35/18

Staggered Setups

18x9.5" Front 265/35/18 - 18x10/10.5" Rear 275/35/18 - Preferred setup
18x9.5" Front 265/35/18 - 18x10/10.5" Rear 285/35/18 or 285/30/18

http://i23.photobucket.com/albums/b3...Angle600HQ.jpg http://i23.photobucket.com/albums/b3...Angle600HQ.jpg
http://i23.photobucket.com/albums/b3...Angle600HQ.jpg http://i23.photobucket.com/albums/b3...Angle600HQ.jpg

Joe@ApexRaceParts 08-06-2012 05:49 PM

We've just received a shipment of more 9.5" and 10" ARC-8's in all colors and EC-7 wheels in 9.5" ET22.

David@ApexRaceParts 08-13-2012 04:53 PM

We have plenty of the ARC-8s in stock in both 17" and 18" currently for the E46!


Give us a call if you have any questions regarding fitment!

Logan175 08-19-2012 11:46 PM

Forum discount? :thumbsup:

Brian N 08-20-2012 01:22 AM

Such an awesome wheel. I love mine! Thinking about getting a second set! :woot:

David@ApexRaceParts 08-20-2012 12:05 PM


Originally Posted by Brian N (Post 14665065)
Such an awesome wheel. I love mine! Thinking about getting a second set! :woot:

You should! :thumbup:

awesomechinz 08-23-2012 06:13 PM

so e46 323i 1999 would I need spacers or anything if I go with the staggered set of 18's? I am going to add eibach pro kit lowering springs. Would that change anything?

Joe@ApexRaceParts 08-23-2012 06:17 PM


Originally Posted by awesomechinz (Post 14675365)
so e46 323i 1999 would I need spacers or anything if I go with the staggered set of 18's? I am going to add eibach pro kit lowering springs. Would that change anything?

A staggered fitment for your car would consist of 18x8.5" ET38 front wheels with 235/40/18 tires and 18x9" ET42 rear wheels with 255/35/18 tires.

This is a direct fitment, does not need spacers, and will not rub.

David@ApexRaceParts 08-28-2012 05:45 PM

Satin Black ARC-8s on this E46 M3:


We have every finish of the ARC-8 in stock right now!

Joe@ApexRaceParts 09-04-2012 04:12 PM

Hyper Silver 18x9" ARC-8's on this E46 sedan.


Please give us a call for fitment advice or any other questions :thumbup:

AMG-ETR 09-17-2012 07:40 PM

bump for amazing rims

David@ApexRaceParts 09-19-2012 02:53 PM


Give us a call if you have any questions regarding direct M3 fitment for the ARC-8s!

Joe@ApexRaceParts 09-24-2012 05:09 PM

ARC-8's are in stock in E46 and E46 M3 fitments!


Give us a call, email, or pm with any questions and concerns regarding wheel fitment.

Joe@ApexRaceParts 10-03-2012 01:26 PM

Check out this nice wide square fitment on this S54 swapped E46. We have ARC-8's available in square and staggered fitments for your E46 and E46 M3!


Please call, email, or pm us with any questions you may have.

David@ApexRaceParts 10-05-2012 06:22 PM

ARC-8s look right at home on an e46 M3:


Plenty of wheels in stock! Feel free to give us a call if you have any questions!

Joe@ApexRaceParts 10-09-2012 03:10 PM

18x10" ET25 ARC-8's look like they were made for this track car! We have track and street fitments available for your M3.


Please call, email, or pm us with any questions you may have.

David@ApexRaceParts 10-10-2012 06:02 PM

ARC-8s and e46 M3s go hand in hand. Order yours today!


Joe@ApexRaceParts 10-12-2012 04:14 PM

ARC-8's are in stock for your E46 in staggered and square fitments!


Pleas call, email, or pm us with any questions you may have.

David@ApexRaceParts 10-16-2012 03:09 PM

We have plenty of ARC-8s in e46 fitment available and ready to ship!


PDWebb 10-16-2012 08:24 PM

Time for a group buy?

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