Apex ARC-8 17x8.5 Flow-Formed Wheel 5x120 BP / ET20 / 72.56mm CB - Hyper Black (BMW) (ARC81785ET20-5120-7256-NHBK)
The Apex ARC-8 has earned its reputation as one of the most trusted BMW performance wheels by combining lightweight engineering, aggressive motorsport styling, and proven durability into one enthusiast-focused package. Designed specifically for BMW applications utilizing the 5x120 bolt pattern, this 17x8.5 ARC-8 improves handling response, braking performance, and acceleration while delivering the aggressive fitment and appearance enthusiasts expect. Finished in Hyper Black, this wheel gives your BMW a modern high-contrast look that stands out both on the street and at the track.
Built using advanced flow-forming technology, the ARC-8 strengthens the barrel structure while minimizing unnecessary weight compared to conventional cast wheels. Apex engineers utilized extensive Finite Element Analysis (FEA) to reinforce high-stress areas while optimizing material placement for maximum efficiency and long-term durability. The result is a wheel capable of handling aggressive street driving, autocross events, and repeated track abuse while maintaining excellent brake clearance and structural integrity.
Quick Specs
- Part Number: ARC81785ET20-5120-7256-NHBK
- Wheel Diameter: 17 inches
- Wheel Width: 8.5 inches
- Bolt Pattern: 5x120
- Offset: ET20
- Center Bore: 72.56mm
- Finish: Hyper Black
- 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
- Hyper Black finish delivers a bold motorsport-inspired 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
Track-Ready Performance Engineering
The ARC-8 was engineered for enthusiasts who demand more from their wheel setup than just appearance. Reducing unsprung and rotational weight improves steering precision, braking response, and acceleration characteristics while maintaining the durability required for repeated hard driving. Whether your BMW sees canyon roads, HPDE events, autocross competition, or aggressive street use, the ARC-8 delivers the confidence and performance 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 aggressive track driving?
A: Yes. The ARC-8 was specifically engineered for aggressive street and track use with reinforced flow-formed construction and extensive durability testing.
Q: Will these wheels work with 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.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
