Apex ARC-8 17x8.5 Flow-Formed Wheel 5x120 BP / ET20 / 72.56mm CB - Anthracite (BMW) (ARC81785ET20-5120-7256-AN)
The Apex ARC-8 is one of the most respected wheel designs in the BMW enthusiast world, combining lightweight performance, motorsport-inspired styling, and proven durability into a package built for real driving enthusiasts. This 17x8.5 ARC-8 configuration was specifically engineered for BMW applications utilizing the 5x120 bolt pattern, delivering improved handling response, reduced rotational mass, and aggressive fitment for both street and track-focused builds. Finished in Anthracite, this wheel adds a clean, aggressive appearance that perfectly complements performance-oriented BMW setups.
Built using advanced flow-forming technology, the ARC-8 achieves increased barrel strength and stiffness while remaining significantly lighter than traditional cast wheels. Apex engineers utilized extensive Finite Element Analysis (FEA) to reinforce critical stress zones while removing unnecessary material for maximum efficiency and durability. The result is a wheel designed to withstand aggressive driving conditions while maintaining excellent brake clearance, precise fitment, and long-term reliability.
Quick Specs
- Part Number: ARC81785ET20-5120-7256-AN
- Wheel Diameter: 17 inches
- Wheel Width: 8.5 inches
- Bolt Pattern: 5x120
- Offset: ET20
- Center Bore: 72.56mm
- Finish: Anthracite
- Construction: Flow-Formed Aluminum
- Vehicle Compatibility: BMW Applications
- Hub Centric Design
- Big Brake Kit Clearance
- OEM TPMS Compatible
- Compatible with OEM and Aftermarket Hardware
- Open Hub Center Design
- JWL and VIA Certified
- Lifetime Structural Warranty
- 1 Year Finish Warranty
Features
- Flow-formed construction improves barrel strength while reducing overall wheel weight
- Designed specifically for BMW 5x120 applications
- Deep-concave ARC-8 spoke profile delivers aggressive motorsport-inspired styling
- Engineered using advanced FEA testing for optimized strength and durability
- Designed to clear many popular aftermarket big brake kits
- Engineered for maximum weight savings without sacrificing structural integrity
- Open hub center design allows for faster wheel swaps during track use
- Oversized lug openings accommodate impact sockets and race lugs
- Hub-centric design minimizes vibration and ensures precise fitment
- Compatible with OEM and aftermarket TPMS sensors
- Works with OEM wheel hardware and most aftermarket lug setups
- Anthracite finish provides a clean and aggressive performance appearance
- Multi-stage finishing process preserves mounting surfaces for proper torque values
- VIA certified and tested beyond standard JWL requirements
- Includes Apex gloss black center cap compatible with OEM sizing
- Covered by Apex accidental damage replacement program
- Backed by Apex lifetime structural warranty
Built for Enthusiast Performance
The ARC-8 was engineered for enthusiasts who demand real performance benefits from their wheel setup. Reducing unsprung and rotational weight sharpens steering response, improves braking feel, and enhances acceleration characteristics while maintaining the durability required for repeated hard driving. Whether your BMW is built for HPDE events, canyon driving, autocross competition, or aggressive street use, the ARC-8 delivers the confidence and reliability serious enthusiasts expect.
Fitment
Fits select BMW applications utilizing:
- 5x120 Bolt Pattern
- 72.56mm Center Bore
- ET20 Offset
Always verify wheel, tire, suspension, and brake clearance prior to installation.
FAQs
Q: Are Apex ARC-8 wheels suitable for track use?
A: Yes. The ARC-8 was specifically engineered for aggressive street and track driving with reinforced flow-formed construction and extensive durability testing.
Q: Do these wheels support OEM BMW TPMS sensors?
A: Absolutely. Apex ARC-8 wheels are compatible with OEM and aftermarket TPMS sensors along with standard valve stems.
Why Buy from Beefcake Racing?
At Beefcake Racing, we understand what enthusiasts expect from a true performance wheel setup. That is why we carry proven products backed by enthusiast-level support, fitment expertise, and real-world performance knowledge. Whether you are building a dedicated track car or refining your street-driven BMW, our team can help you choose the right wheel and tire combination for your goals.
Need help with wheel fitment, tire sizing, or brake clearance? Contact Beefcake Racing today.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
Note: Wheels that have been mounted with tires are considered used and cannot be returned or refunded. Please verify vehicle fitment before placing your order, and always test fit wheels prior to tire mounting.
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