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Description
APEX SM-10 | 18" x 9" ET30 | 5x120mm | 72.56mmAPEX Race Parts designs and manufactures high performance, flow formed and forged wheels for a growing list of vehicle makes. They are constantly expanding their product line with new wheel designs, wheel accessories and other performance and race parts. It is their mission to produce and distribute high quality performance parts that meet the demands of racing and street performance enthusiasts. FOR WHEEL FITMENT GUIDE https: apexwheels. com fitment
APEX Race Parts designs and manufactures high performance, flow-formed and forged wheels for a growing list of vehicle makes. They are constantly expanding their product line with new wheel designs, wheel accessories and other performance and race parts. It is their mission to produce and distribute high-quality performance parts that meet the demands of racing and street performance enthusiasts.
ModelSM-10 Wheel QuantitySold Individually Wheel Diameter18" Wheel Width9.0" OffsetET30 Bolt Pattern5x120mm Centre Bore72.56mm Load Rating1,550lbs Weight19.5lbs (8.84kg) Face ProfileProfile 2; medium concavity Wheel ConstructionFlow Formed
A FITMENT FOR YOU
Need help selecting the proper wheel fitment for your BMW? APEX Race Parts have tirelessly test-fitted hundreds of setup combinations in order to provide direct-fit, spacer-free wheel packages for everything from showroom-fresh cars to all-out race builds.
Fit Matters The right solution for every application
The SM-10 wheel includes details specifically implemented to enhance the BMW owners' track day and street performance experience. An optimized car setup begins with the right wheel and tyre fitment, and without model-specific attention, maximum performance is compromised. These wheels were developed for various BMW chassis’s and will work in either square or staggered configurations.
Face Profile One design, many levels of beauty
Two face profiles will be utilized to maximize spoke concavity and reduce weight on the SM-10 design. The medium concavity is offered on narrow-width applications, while the deep concavity is offered on wide-width applications. Concavity is dependent on fitment, and not selected independently.
"I" Beam Spokes More than just a pretty face
The spokes of the SM-10 were designed to be robust where they need to be, and extra lightweight where they should be. Weight is reduced by CNC machining material out from the sides of each spoke. It’s expensive and avoided by almost every manufacturer, but affordable with volume. In each size of the SM-10 designs, the I-beam spokes are carefully evaluated from structural aspects to ensure minimal weight, brake clearance, and remarkable strength.
Beefier Lip Ready for more abuse
By saving weight elsewhere, APEX have added extra material where it counts. They've beefed up the barrel’s inner lip on the SM-10 to better handle the repetitive abuse seen on the track.
Open Hub Centre Easy to access lugs
Race wheels can't just be light, they need to function in a high performance environment. Unlike the narrow lug recesses of most other wheels, the SM-10 wheel features a wide open hub centre that easily accommodates oversized race lugs and beefy impact sockets. This allows for quick and easy wheel changes and prevents chips and scratches from tools.
Hub Centric No rings or adapters here
All APEX SM-10 wheels are purpose built for select vehicle applications, and centering rings are never required for any BMW application. All 5x120mm bolt pattern wheels feature a direct-fit, 72.56mm centre bore.
Brake Clearance A lot of room in a tight space
Spoke clearance is only half the problem. The barrel construction on a wheel also needs to be big enough to clear the sides of your caliper and rotor. Many aftermarket wheels that have aesthetic compromises in their design may work with smaller stock brakes, or smaller diameter big brake kits, but the larger kits will pose a major problem. The barrel of the SM-10 wheel offers unmatched caliper clearance because wheels shouldn’t limit your choice of aftermarket brake kits, and brake kits shouldn’t force you to run oversized wheels. APEX have 2D modelled most Big Brake Kits available in Solidworks and tweaked the wheel design of the SM-10 prior to production in order to fit as many kits as possible.
Wheel Hardware Original or Aftermarket, it all works
The SM-10 wheel can be used with all OEM and aftermarket mounting hardware with a 60° tapered seat. Lug bolts, wheel locks, and stud conversion kits all work perfectly. The SM-10 wheel also accepts wheel spacers without issue. The shallow rear chamfer allows the wheel to remain hub centric even when 5mm flat spacers are used. The chamfer is deep enough to clear the chamfered lip found on some aftermarket spacers that would typically cause improper seating of the wheel and, therefore, wheel vibration.
Centre Cap A factory fit and finish
APEX don't reuse one cap design for all of their wheels. Every APEX wheel is designed to work with factory centre caps. You can easily replace APEX centre caps with OEM roundels for a clean factory look. APEX wheels will come with the redesigned, Gloss Black centre cap that mimics the size and shape of a BMW factory centre cap.
TPMS Sensors They all fit
TPMS sensors, which monitor tyre pressure, are one piece of technology that can't be compromised. The attention to OEM compatibility on the SM-10 wheel doesn't end with centre caps. All APEX wheels accept OEM and aftermarket equivalent TPMS sensors, and any standard sized metal or rubber valve stem.
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 aluminium 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 they have the proof to back it up.
Japan’s JWL is a commonly followed standard for wheel load ratings. The APEX 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
APEX took more time than ever before on this step, revising and iterating their design to reduce weight as much as possible. After many months of BMW-specific optimizations, APEX minimized weight while maximizing strength. The result is a lightweight wheel with extra strength in all the right places. Use the SM-10 with confidence on both street and track.
Finishes Because being faster is just not enough
The SM-10 wheel is available in multiple finishes. 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.
Often overlooked, painted or powder coated lug hole seats can cause hardware to loosen or begin the spread of paint chipping to more visible sections. The coating process of the SM-10 leaves lug holes, center bores and mounting pads untouched, which ensures proper fit and torque values.
Lifetime Warranty A wheel you can depend on
As of recent, all APEX wheels now come with a lifetime structural warranty and 1 year finish warranty, so you can be confident in your purchase. Please contact us for the full terms and conditions.
Models
1 Series / E82 / E88 (2007-2013) / 1 Series M (1M)
Good delivery, work very well Happy with the product.
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Reviewed in the United States on May 17, 2026
V
Verified Purchase
Vlp
Louisville, US
★★★★★ 5
Fantastic humidor
This humidor is fantastic. It holds humidity very well and is lined with real Spanish cedar, which makes a big difference. It also looks great sitting on the counter. Very happy with this purchase and would definitely recommend it.
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Reviewed in the United States on April 22, 2026
J
Jason L.
Fort Morgan, US
★★★★★ 5
An exceptional solution for both beginners and intermediate cigar enthusiasts
This humidor is an exceptional solution for both beginners and intermediate enthusiasts, offering high-end technical performance at an excellent value. It expertly balances superior craftsmanship with a functional, elegant design suitable for any desk or office.
Technical Engineering & Climate Control
Superior Seal: The unit features a machined internal lip—or "freshness coaming"—that creates a robust airtight seal, often producing an audible vacuum "whoosh" when opened.
Spanish Cedar Interior: Lined with genuine Spanish cedar, the box utilizes the wood's natural hygroscopic properties to buffer humidity and stabilize the internal environment.
Integrated Instrumentation: The kit includes an analog or digital hygrometer and a crystal gel humidification system. While users often find the included hygrometers require a known offset for precision, they provide a consistent visual reference for long-term maintenance.
Hardware Quality: The box is equipped with high-quality quadrant hinges and a ball-detent locking hasp that ensures the lid remains securely closed.
Design & Practicality
Capacity: Optimally sized to hold between 25 and 35 cigars, this humidor provides ample space for proper air circulation without becoming cumbersome.
Visual Display: The tempered glass top is deeply seated and sealed, allowing you to inspect your collection without disrupting the internal relative humidity (RH).
Furniture Protection: A full-coverage velvet pad on the bottom prevents the unit from slipping or scratching delicate surfaces.
All-Inclusive Starter Kit
The package serves as a comprehensive "cigar solution" by including everything needed to begin seasoning immediately:
Humidification solution and a precise dropper system.
A cedar divider to organize different cigar assortments.
Three travel storage tubes for cigars on the go.
Final Verdict: This humidor is a standout personal essential or gift, successfully executing the critical technical requirements of airtight storage and moisture buffering while maintaining a premium aesthetic.
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Reviewed in the United States on April 13, 2026
S
Socata
Grantham, US
★★★★★ 5
⭐⭐⭐⭐⭐ Technical Review: Premium Cedar Wood Glass Top Humidor (25-35 Count)
5 stars all the way! Wow! I'm speechless, but WOW! Excellent product.
This desktop humidor package is an exceptional entry-level to intermediate solution that demonstrates superior craftsmanship where it matters most: maintaining stable Relative Humidity (RH) for cigar aging and preservation. It flawlessly balances high-utility features with an elegant, display-friendly design, earning a perfect five-star rating as a standout gift or personal essential.
🔬 Technical Integrity: The Seal and The Wood
The core function of any humidor is its seal and its ability to buffer humidity changes. This unit executes both with precision:
The Airtight Seal: The box features a carefully machined lid designed with a sealed freshness coaming—a tight, internal lip that meets the box edge when closed. The result is an audible "whoosh" or vacuum sound when the lid is lifted (the "dollar bill test" typically passes with flying colors), confirming minimal air exchange. This robust seal is crucial for long-term humidity stability.
Spanish Cedar Lining: The interior is lined with genuine Spanish Cedar (Cedrela Odorata). This isn't just for aroma; cedar has a unique cell structure that is naturally hydroscopic (it absorbs and releases moisture). This acts as a humidity buffer, stabilizing the internal environment by absorbing excess moisture when RH is too high and releasing it slowly when RH drops. This buffering action is vital for consistent aging.
Capacity: The 25-35 cigar capacity (depending on cigar ring gauge) is ideal for a dedicated enthusiast or a growing collection, providing enough volume for proper air circulation without being overly bulky.
🌡️ Instrumentation and Humidification System
The integrated components simplify the critical process of humidity management.
Glass Top Display & Stability: While glass tops are sometimes criticized for being less efficient than solid wood (as wood is a better buffer than glass), this model compensates by using tempered glass that is deeply seated and sealed. This allows for visual inspection without opening the lid, a critical feature that reduces the physical disruption of the stable internal RH.
Analog Hygrometer: The included analog hygrometer is an excellent aesthetic touch. While all analog hygrometers should be calibrated immediately upon receipt, its positioning is clear and front-facing. Many users upgrade to a digital hygrometer for superior precision, but the built-in unit provides a reliable visual reference point.
Humidifier & Dropper System: The package includes a standard foam or acrylic humidifier and a dropper. This allows for precise charging with distilled water or propylene glycol solution. The inclusion of a divider helps organize the collection, ensuring proper spacing for maximum air and humidity exposure to every cigar.
🎁 Presentation and Value
The humidor's aesthetic appeal and comprehensive feature set make it a genuinely thoughtful gift.
Aesthetic Appeal: The smooth, polished exterior finish combined with the glass top makes it a beautiful piece of desk or office furniture. The overall fit and finish feel premium, with quality hinges and a solid weight.
All-Inclusive Kit: By including the box itself, the hygrometer, the humidifier, the cedar divider, and the dropper, the manufacturer provides everything needed for a new aficionado to correctly season the box and begin storage immediately.
Final Verdict: This humidor successfully executes the technical requirements of long-term cigar storage—a tight seal and Spanish cedar lining—while adding the convenience and presentation of a glass top. It is the perfect blend of form and function, offering exceptional value and performance for its class.
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Reviewed in the United States on December 23, 2025
A
Amazon Customer
Battle Creek, US
★★★★★ 5
A Really Nice Starter or Small Humidor
This is a really nice small or starter humidor kit for someone that buys a box or small assortment of cigars and needs a place to keep them maintained while working through them over a period of time. Sized right for this need, my picture shows 20 cigars stored with plenty of room left over for 5 to 10 more.
I added my own calibrated hygrometer with the hygrometer included with the humidor. This allowed me to capture a week long stream of data showing the seasoning process of the humidor as the internal relative humidity level slowly increased as the included crystal gel humidifier added water vapor to the humidor. I did top up the humidifier with the included cigar solution over this period but very little was needed.
After a week I had a stable internal humidity level near 70% so I added 20 cigars from my well maintained collection and all is well. As long as I follow the manufacturers instructions and keep the humidor out of direct sunlight, I believe it will provide a stable long term storage environment.
Prefilled humidifier, cigar solution, travel storage tubes, dropper and instructions were all well done. One thing I'll add is the provided hygrometer can be changed from degrees C to degrees F by pushing the on-off switch twice rapidly. This is not called out in the instructions. Also, I found the provided hygrometer to be off as compared to my calibrated hygrometer. This is common and once the offset is known it can be worked around. In my case the included hygrometer was reading 4% below my test hygrometer.
Fit, finish, and build quality of the humidor was very good. It looks good on the outside and appears to be sealing very well when closed to maintain a humidified internal environment. I very much appreciate the full coverage velvet-like cushion/pad on the bottom of the humidor to keep it from scratching a softer wood surface it is placed on.
Some quick notes on the hinge and hasp hardware. The humidor includes quadrant hinges which work really well for humidors. Happy to see them included. The locking hasp does hold the lid securely closed using a ball detent locking system. Should the humidor ever become too wet or you want to let the humidor air out a bit, the hasp can be used as a lid prop to allow some outside air to enter the humidor. Added a photo of this as my description is probably lacking.
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