Apex ARC-8 18x9 Flow-Formed Wheel 5x120 BP / ET42 / 72.56mm CB - Anthracite (BMW) (ARC8189ET42-5120-7256-AN)
The Apex ARC-8 is one of the most trusted BMW performance wheels ever produced, delivering lightweight construction, aggressive motorsport styling, and race-proven durability in a package built for enthusiasts who demand more from their setup. This 18x9 ET42 version finished in Anthracite offers a refined yet aggressive appearance while maintaining the strength, brake clearance, and low rotational mass needed for serious street and track performance.
Manufactured using advanced flow-forming technology, the ARC-8 strengthens the barrel structure to improve rigidity and impact resistance while reducing unnecessary material for optimized weight savings. Apex engineers further refined the wheel using extensive Finite Element Analysis testing to reinforce high-stress areas and remove excess material where it provides no structural advantage. The result is a lightweight wheel engineered to handle aggressive driving, track abuse, and demanding brake setups with confidence.
Quick Specs
- Part Number: ARC8189ET42-5120-7256-AN
- Wheel Size: 18x9
- Offset: ET42
- Bolt Pattern: 5x120
- Center Bore: 72.56mm
- Finish: Anthracite
- Construction: Flow Formed
- Face Profile: Profile 2 Concavity
- Load Rating: 1,550 pounds
- Weight: Approximately 18.4 pounds
- VIA Registration: VIA-24-0135
- Designed For: BMW Applications
- Accepts OEM BMW Center Caps
- Compatible with OEM and Aftermarket TPMS Sensors
- Compatible with OEM and Aftermarket Mounting Hardware
- Lifetime Structural Warranty
- 1 Year Finish Warranty
Engineered for Real BMW Performance Driving
The ARC-8 was developed with true motorsport functionality in mind. Oversized lug recesses allow the use of impact sockets and race lugs, making wheel swaps faster and easier during track days or competition events. The open hub center design further improves accessibility for enthusiasts who regularly rotate between street and track wheel setups.
Brake clearance was also a major focus during development. The ARC-8 accommodates many popular aftermarket big brake kits while maintaining its signature concave spoke design. This allows drivers to retain the benefits of lightweight 18 inch wheels while upgrading to larger braking systems capable of handling aggressive street driving and repeated track heat cycles.
Features
- Advanced flow-formed construction improves strength while minimizing weight
- 18x9 sizing with ET42 offset for BMW performance applications
- Concave spoke profile delivers aggressive motorsport-inspired styling
- Finite Element Analysis optimized structure improves durability and rigidity
- Excellent clearance for many aftermarket big brake kits
- Open hub center allows faster wheel swaps at the track
- Oversized lug recesses support impact sockets and race hardware
- Anthracite multi-stage finish over powder coated base layer
- Untouched mounting surfaces maintain accurate torque retention
- Hub-centric BMW fitment with 72.56mm center bore
- No centering rings required for most BMW applications
- Compatible with OEM BMW center caps
- Accepts OEM and aftermarket TPMS sensors
- Compatible with OEM hardware, spacers, wheel locks, and stud conversions
- Meets or exceeds JWL standards and independently VIA certified
- Backed by Apex lifetime structural warranty
- Protected by Apex accidental damage replacement program
Fitment
- BMW E90 3 Series
- BMW E91 3 Series Touring
- BMW E92 3 Series Coupe
- BMW E93 3 Series Convertible
- BMW F22 2 Series
- BMW F30 3 Series
- BMW F31 3 Series Touring
- BMW F32 4 Series Coupe
- BMW F33 4 Series Convertible
- BMW F36 4 Series Gran Coupe
- BMW F80 M3
- BMW F82 M4
- BMW F87 M2
FAQs
What is the advantage of the ET42 offset on this ARC-8 wheel?
The ET42 offset provides a more conservative fitment compared to lower offsets, making it ideal for many BMW applications that require additional inner clearance or a more OEM-friendly setup.
Can this wheel be used with factory BMW TPMS sensors and center caps?
Yes. The ARC-8 is fully compatible with OEM BMW center caps as well as factory and aftermarket TPMS sensors for easy installation.
Why Buy from Beefcake Racing?
At Beefcake Racing, we help enthusiasts build better-performing vehicles with proven parts, expert support, and real-world experience. Whether your BMW is a street-focused build or a dedicated track car, our team is here to help you choose the right wheel setup with confidence.
Need help with offsets, tire sizing, fitment, 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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