Apex ARC-8 17x8.5 Flow-Formed Wheel 5x120 BP / ET20 / 72.56mm CB - Race Silver (BMW) (ARC81785ET20-5120-7256-RS)
The Apex ARC-8 has become one of the most trusted wheel designs in the BMW enthusiast world by delivering lightweight performance, aggressive styling, and track-ready durability in one proven package. Specifically engineered for BMW applications utilizing the 5x120 bolt pattern, this 17x8.5 ARC-8 improves steering response, braking performance, and acceleration while delivering the clean, motorsport-inspired fitment enthusiasts demand. Finished in Race Silver, this wheel provides a timeless performance appearance that works perfectly on both classic and modern BMW builds.
Built using advanced flow-forming technology, the ARC-8 strengthens the barrel structure while significantly reducing overall weight compared to conventional cast wheels. Apex engineers utilized extensive Finite Element Analysis (FEA) to reinforce high-stress zones while optimizing material placement for maximum efficiency and durability. The result is a wheel capable of handling aggressive street driving, autocross competition, and repeated track use without compromising strength, brake clearance, or fitment precision.
Quick Specs
- Part Number: ARC81785ET20-5120-7256-RS
- Wheel Diameter: 17 inches
- Wheel Width: 8.5 inches
- Bolt Pattern: 5x120
- Offset: ET20
- Center Bore: 72.56mm
- Finish: Race Silver
- 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
- Race Silver finish delivers a clean 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
Engineered for Enthusiast Driving
The ARC-8 was designed for enthusiasts who expect measurable performance improvements from their wheel setup. Reducing unsprung and rotational mass sharpens steering precision, improves braking response, and enhances acceleration characteristics while maintaining the durability needed for repeated hard driving. Whether your BMW is built for canyon carving, HPDE events, autocross competition, or spirited street driving, 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 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.
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