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Brand: APEX WheelsSKU / Part #: SM10RS189ET30-5120-7256-AN
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Overview
*NOTE: Price listed as Per Wheel
Description:
APEX SM-10RS Forged Sprint Line Wheels
The new SM-10RS, part of our Sprint™ Line of forged wheels, features reduced weight and greater stiffness to improve lap times.
- 10K Ton Forged 6061-T6 Aluminum
- I-Beam Spokes for Reduced Weight
- Stronger Sprint™ Spec Inner Lip
- Massive Brake Clearance
- Paintless Knurled Beads
- Unmatched Replacement Program
- Lifetime Structural Warranty
- Independently Tested and Certified
As part of our Forged Sprint™ Line, the SM-10RS was built to be extremely light while still offering a meaningful strength increase over our flow formed wheels. For those looking to shed as much weight as possible to improve lap times.
| BRAND : | APEX Race Parts |
| WHEEL CONSTRUCTION : |
Forged |
| MODEL : | SM-10RS |
|
WHEEL SIZE : |
18x9" ET30
|
|
WHEEL DIAMETER : |
18" |
|
WHEEL WIDTH : |
9" |
| OFFSET : | ET30 |
| DESIGNED FOR : | BMW |
| FACE PROFILE : | Profile 2; medium concavity |
| BOLT PATTERN : |
5x120mm
|
| CENTER BORE : |
72.56mm
|
| LOAD RATING : |
1600 lbs
|
| WEIGHT : | 18.0 lbs |
| STL REGISTRATION # : | STL-AX2-0047 |
SM-10RS Design:
10K Tons of Pressure
Our new forgings weigh as much as 120 pounds before machining. To form such a thick blank we require special equipment capable of 10,000 metric tons of pressure. This extreme pressure increases the strength of the aluminum by eliminating porosity and improving the grain structure.
True Motorsport Blanks
Many companies use 3rd-party blanks intended for non-motorsport wheels which can severely limit sizes, concavity, spoke design, and critical brake clearance. We designed our very own blank profiles from scratch to give us total control over the final product.
I-Beam Spokes
One of the most noticeable features of the SM-10RS is its use of side-milling on both sides of each spoke, creating an I-beam effect. Any excess material that doesn’t add strength is carved out using a precision CNC ball cutter. Side-milling is often deemed cost-prohibitive by others, but for true performance without compromise we believe it's essential.
A Stronger Lightweight Wheel
Our forged Sprint™ wheels are lightweight without the strength compromises found on typical lightweight wheels. First, we carved out as much material as possible, then we purposefully added one pound back to reinforce critical areas, creating a stronger inner lip and a higher load rating.² What’s the point of a lightweight wheel if it’s fragile?
Weight Optimized
We conducted extensive Finite Element Analysis (FEA) to reinforce high-stress areas and to remove material where it didn’t improve strength. The result is a wheel that is exceptionally light without the strength compromises found on typical lightweight wheels.
Greater Stiffness
The SM-10RS is not just another style to choose from. We used Finite Element Analysis of bending loads to optimize spoke geometry for greater stiffness without increasing weight. In fact, the SM-10RS is nearly identical in weight to our popular VS-5RS yet almost 10% stiffer, and 25% stiffer than our first generation of forged wheels.
Independently Tested
We don't rely solely on computer simulations or unverifiable in-house testing. We believe independent testing is critical to protect consumers in this unregulated industry. We chose STL, an independent lab in Ohio, to test our Sprint™ wheels far above JWL standards, including increases in testing duration, impact drop height, and total load.
Tougher Inner Lip
Introducing the Sprint™ spec inner lip, with a unique channel profile that makes it even stronger than our previous designs. So even though our Sprint™ wheels are pounds lighter than comparable flow formed wheels, the inner lip is stronger.
Big Brake Clearance
From day one, APEX has been on a mission to build wheels that clear big brakes. Our new forged wheels are the product of everything we’ve developed over the past 10+ years, including an innovative high-clearance barrel design and vehicle-specific spoke profiles.
Deeper Concavity
Our new forgings were redesigned to create extra deep, concave spoke profiles. Their new shape allows us to make any profile, from flat to deep and everything in between. Each one is optimized for a specific application using 3D laser scans of factory and aftermarket brake kits.
Paintless Knurled Bead
Whether it's a day at the track or months of street driving, repeated hard braking and acceleration can make a tire slip along the bead seat and go out of balance, causing vibration. Knurled beads help, but are less effective when painted over. Our forged line features unpainted knurled beads that stay sharp and maximize grip.
Built for Impact Sockets
Track wheels need track tools. Don’t settle for wheels that require undersized tuner lugs or thin walled sockets. All APEX wheels accommodate over-sized race lugs and impact sockets to make swapping wheels lightning fast.
Laser-Engraved Specs
As track enthusiasts ourselves, we know how frustrating it is to try to locate and decipher wheel specs that have been hastily hammered into the rim or become unreadable over time. With our new Sprint™ wheels, we chose to invest a little extra and laser-engrave the specs on the barrel, in plain sight, making them easy to find and read. (You’re welcome.)
ADDITIONAL FEATURES
HUB CENTRIC
All SM-10RS wheels are purpose built for select vehicle applications. Very few applications require centering rings.
CENTRE CAPS
All APEX wheels come with a gloss black cap included that is interchangeable with the OE cap. APEX also offer additional colors for select fitments.
WHEEL HARDWARE
Wherever possible, APEX wheels can be used with all OEM mounting hardware, proper aftermarket hardware and most wheel spacers. Wheel locks and stud conversion kits also work perfectly.
TPMS
All APEX wheels accept OEM and aftermarket Tyre Pressure Monitoring Sensors and standard fit valve stems. If you don’t have sensors then select from their metal stems available in multiple finishes.
The Apex Standard:
FLOW FORMING
Benefits of forging, without the pain
These APEX wheels are produced using a manufacturing process known as flow forming. This process significantly reduces weight in the barrel, which has the greatest impact on rotational mass. During the manufacturing process, rollers apply high pressure to the inner barrel, compressing the aluminum into its final shape. This effectively eliminates porosity and aligns the grain structure of the metal, which increases tensile strength. The end result is a lightweight and extremely strong barrel that equals that of a traditional forged wheel at a fraction of the cost.
TESTING & CERTIFICATIONS
Verifiable 3rd party testing
Many companies promote their wheels as being certified by the VIA when they actually aren’t. That’s like using the USDA logo on food without permission. APEX wheels get officially tested and registered by the VIA in Japan, and we have the proof to back it up.
Japan’s JWL is a commonly followed standard for wheel load ratings. Our flow formed wheels meet, and most exceed, their load rating requirements. Most manufacturers only meet the minimum while some don’t even do that. Check and verify load ratings before you buy.
WEIGHT & STRENGTH OPTIMIZATION
It’s all in the details
Various design features were implemented to ensure that the ARC-8 wheel design was as light and durable as possible. We began with a strong one-piece design featuring an open hub center and reliefs in the mounting pad to remove weight between lug holes. The design was then run through Finite Element Analysis (FEA) to further optimize the spoke and barrel design. The result is a light weight wheel with extra strength in all the right places, while keeping weight to a minimum.
FINISHES
Because being faster is just not enough
The ARC-8 wheel is available in multiple finishes, in addition to exclusive finishes available only through select dealers. All APEX wheels are finished using a comprehensive multi-stage liquid paint system over a powder coated base coat. Standard finishes include gloss metallic finishes, and semi-gloss or matte finishes. Hyper finishes include an additional coating of a premium liquid-like metallic silver to create a uniquely bright finish that can only be achieved through misting liquid paint.
Often overlooked, painted or powder coated lug hole seats can cause hardware to loosen or begin the spread of chipping the paint to more visible sections. The ARC-8 wheel's coating process leaves lug holes, center bores and mounting pads unpainted, which ensures proper fit and torque values.
LIFETIME WARRANTY
A wheel you can depend on
As of recent, all our wheels now come with a lifetime structural warranty and 1 year finish warranty, so you can be confident in your purchase.
50% OFF REPLACEMENT WHEELS
Hit those berms like you don’t care
Do some serious damage to a wheel that’s not covered under warranty? No worries. Curb rash or even totally mangling a wheel in a car accident is covered by our APEX360° program. We offer replacements for wrecked wheels at 50% off our standard prices.
Vehicle Fitment Chart:
| MAKE | MODEL | CHASSIS | YEAR |
| BMW |
1 Series /1 Series M (1M) | E82 / E88 |
(2007-2013) |
| BMW | Series /135i N54 | E82 / E88 |
(2007-2013) |
| BMW | 1 Series /135i N55 | E82 / E88 |
(2007-2013 |
| BMW | 1 Series /125i | E88 |
(2007-2013) |
| BMW | 1 Series / 120i | E82 / E88 |
(2007-2013) |
| BMW | 1 Series /130i, 120i, 118i, 116i, 123d, 120d, 118d | E87 | (2004-2011) |
| BMW | 2 Series /M2 Competition, M2, M2 CS | F87 M2 | (2016-2021) |
| BMW | 3 Series /M3, 328i, 235i, 320i, 323i, 318is, 318i, 316i, 323ti, 318ti | E36 | 1991-1999) |
| BMW | 3 Series /M3, M3 CSL, 330i / 330Ci, 328i / 328C, 325i / 325Ci, 323i / 323Ci, 320i / 320Ci, 318i, 325ti, 318ti, 316ti | E46 | (1998-2006) |
| BMW | 3 Series /M3, 335i N54, 335i N55, 330i, 325i, 323i, 320i ,320d, 330d | E90 / E91 / E92 / E93 | (2005-2013) |
| BMW | 3 Series /340i, 335i, 330i, 328i, 320i, 318i, 316i, 318d, 320d, ActiveHybrid 3 | F30 / F31 / F34 | (2012-2018) |
| BMW | 3 Series /M3, M3 Competition, M3 CS | F80 M3 | (2014-2019) |
| BMW | 4 Series /440i, 435i, 430i, 428i, 420i, 420d | F32 / F33 / F36 | (2014-2020) |
| BMW | 4 Series /M4, M4 Competition, M4 CS, M4 GTS | F82 / F83 | (2014-2019) |
| BMW | Z Series/ Z3M | E36/7/8 Z3 | (1995-2002) |
| BMW | Z Series /Z4M, Z4 3.0Si, Z4 3.0i, Z4 2.5Si, Z4 2.5i | E85 / E86 Z4 | (2002-2008) |
| BMW | Z Series /Z4 35is, Z4 35i, Z4 30i, Z4 28i, Z4 23i, Z4 20i | E89 Z4 | (2009-2016) |
Fitment
Shipping & returns
Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.
Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.
Not returnable: special-order or custom items, and anything that has been installed, modified or altered.
Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.
Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.
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