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.
Model SM-10RS Wheel Quantity Sold Individually Wheel Diameter 20" Wheel Width 10.0" Offset ET8 Bolt Pattern 5x112mm Centre Bore 66.6mm Hardware Seat 60 Degree Conical Load Rating 1,600lbs Weight 20.2lbs (9.16kg) Face Profile Profile 4; super deep concavity Wheel Construction Forged
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. Their detailed fitment guides help you avoid costly trial-and-error and walk you through every step of finding your perfect setup.
Please don't hesitate to contact us if you are unsure about the suitability of this wheel for your BMW model.
APEX SM-10RS DESIGN
10K TONS OF PRESSURE
APEX's new forgings weigh as much as 120 pounds before machining. To form such a thick blank APEX required special equipment capable of 10,000 metric tons of pressure. This extreme pressure increases the strength of the aluminium 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. APEX have designed their very own blank profiles from scratch which gives total control over the final product, resulting in exceptionally deep spokes and stronger designs.
FEATURES
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
The APEX Forged Sprint™ wheels are lightweight without the strength compromises found on typical lightweight wheels. First, APEX carved out as much material as possible, then purposefully added one pound back to reinforce critical areas, creating a stronger inner lip and a higher load rating. What’s the point of a lightweight wheel if it’s fragile?
Load Ratings (lbs) 19"
JWL Load Standard | 1521
Typical Forged Wheels | 1521
APEX Flow Formed | 1550
APEX Forged Sprint™ Line | 1600
WEIGHT OPTIMIZED
APEX 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.
The SM-10RS is not just another style to choose from. APEX 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 APEX's first generation of forged wheels.
INDEPENDENTLY TESTED
APEX don't rely solely on computer simulations or unverifiable in-house testing. They believe independent testing is critical to protect consumers in this unregulated industry. APEX chose STL, an independent lab in Ohio, to test the Forged 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 previous designs. So even though the Sprint™ wheels are pounds lighter than comparable flow formed wheels, the inner lip is stronger.
32% more reinforcement than the APEX flow formed wheels.
BIG BRAKE CLEARANCE
From day one, APEX has been on a mission to build wheels that clear big brakes. The all-new Forged Sprint™ wheels are the product of everything APEX have developed over the past 10+ years, including an innovative high-clearance barrel design and vehicle-specific spoke profiles.
DEEPER CONCAVITY
The new APEX forgings were redesigned to create extra deep, concave spoke profiles. Their new shape allows APEX 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 BEADS
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. The APEX Forged Sprint™ wheels feature 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.
32mm socket diameter clearance.
LASER ENGRAVED SPECS
As track enthusiasts, APEX 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 the new Forged Sprint™ wheels, APEX 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.)
JWL AND BEYOND
Japan’s JWL is a standard for wheel load ratings. APEX's new forged wheels exceed those ratings by almost 20%. Most manufacturers only meet the minimum, while some even fall below—yet they still claim to be JWL. Always verify load ratings before you buy.
TRUE VIA
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.
A WHEEL YOU CAN DEPEND ON
LIFETIME WARRANTY
All APEX wheels come with a lifetime structural warranty against defects in workmanship and materials, plus a 1 year finish warranty. Exchanges are fast, easy, and hassle-free. Contact us for full terms and conditions for details.
50% OFF REPLACEMENT WHEELS
Curb rash or pothole damage on the street? Make an oopsie at the track? We’ve all been there. APEX is proud to offer 50% off replacement wheels, no matter the damage. Contact us for full terms and conditions or for more details.
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.
Models
2 Series / G87 M2 (2022+) / M2
3 Series / G80 / G81 M3 (2021+) / M3
3 Series / G80 / G81 M3 (2021+) / M3 Competition
4 Series / G82 / G83 M4 (2021+) / M4
4 Series / G82 / G83 M4 (2021+) / M4 Competition
4 Series / G82 / G83 M4 (2021+) / M4 CSL
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My first dealing with Southern BM was a pleasant one. I had some springs and shocks installed and Sean was a delight to deal with. Knowledgeable, helpful and offered solutions when not everything went to plan. I would happily recommend them.
Errol Frank
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Excellent service at reasonable prices. The shop is very nice too, you almost feel like you're at BMW.
Charles Tey
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I have used many mechanics over the years for the many different types of vehicles in our company fleet and southern BM is one of the very few workshops I can highly recommend. Andrew and his team are also really passionate about their work and it shows.
Archie Psallas
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One of (if not THE most) professional outfits I’ve dealt with - in the auto industry or otherwise. Needless to say, all work was carried out as promised and to an impeccable standard. Thank you Sean and team - you’ve renewed my faith in the auto business!
Jason Hiddlestone
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Great experience dealing with the team at SouthernBM. Sean in particular was fantastic with his knowledge, timely responses and ultimately work performed.
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