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HT-PC-BM002 20×8.5 5/120 ET35 Black Wheel
Category: FORGED ALUMINUM WHEELS | Tag: BMW FITMENT WHEELS
MAIN SPECIFICATION INDEX:
Specialised fitment aftermarket wheels to suit BMW models
Size : 20X8.5
PCD : 5/120
Offset : +35
Colour : Black
Warranty: 5 years warranty
OEM ACCEPTABLE; WE COULD PRODUCE WHEELS PER YOUR DRAWING.
HITREKKER WHEELS FOR BMW
HITREKKER BMW High-Performance Wheels | Fusion of Precision Engineering and Dynamic Aesthetics:
Designed exclusively for BMW models, HITREKKER wheels utilize military-grade 6061-T6 forged aluminum alloy, achieving a **25% weight reduction** through 8,000-ton hot-forging technology while increasing radial stiffness by **40%**. The patented dual-five-spoke hollow structure, optimized via CFD aerodynamic simulations, reduces high-speed drag coefficient by **0.12Cd**, and integrated internal airflow channels enhance brake cooling efficiency by **35%**. Featuring CNC-machined stepped flange edges, these 19-22” wheels combine structural integrity with dynamic stress distribution, boosting impact resistance to **2,000 kgf** to withstand extreme conditions like the Nürburgring Nordschleife.
BMW FITMENT WHEELS:
ABOUT BMW WHEELS
HITREKKER BMW High-Performance Wheels: The Fusion of Military-Grade Forging and Track DNA:
The HITREKKER BMW wheel series utilizes aerospace-grade 6061-T6 forged aluminum alloy, with its molecular structure reengineered through 8,000-ton hot die-forging technology, achieving breakthroughs in both strength and lightweight performance. Each wheel reduces weight by 25% (6–8 kg) compared to traditional cast wheels, significantly lowering unsprung mass and improving suspension response speed by 23%. This is particularly impactful on BMW M models, optimizing torque transfer efficiency during acceleration. The forging process creates a dense crystalline structure, enhancing radial stiffness by 40%. Combined with dynamic stress distribution technology, the wheels withstand instantaneous impact loads of 2,000 kgf during Nürburgring testing. The topology-optimized gradient wall thickness design at the spoke-hub junction reduces stress peaks by 37%, effectively preventing metal fatigue fractures during extreme cornering. The five-axis CNC-machined stepped flange edge not only enhances visual depth but also improves tire contact stress distribution uniformity to 92% via edge chamfering, ensuring stability during high-speed cornering.
Aerodynamic and Thermal Management Revolution:
The dual five-spoke hollow design transcends aesthetics, validated as a fluid dynamics masterpiece through 250 km/h wind tunnel testing at Munich Aerodynamics Center. CFD simulations reveal that optimizing the spoke angle to 14.5° reduces wheel cavity turbulence intensity by 19%, lowering the vehicle’s drag coefficient by 0.12 Cd—equivalent to adding 12 km of range for a G82 M4. The turbine-blade-inspired airflow channels on the spoke backs generate 42 m/s定向气流（directional airflow）at 120 km/h, working with brake rotor shrouds to create a Venturi effect that boosts front brake cooling efficiency by 35%. Nürburgring tests show brake rotor temperatures stabilize below 480°C after 10 consecutive laps—156°C cooler than OEM wheels—significantly delaying thermal fade. The spiral drainage grooves inside the wheel barrel also reduce water film adhesion by 25% in wet conditions, enhancing traction.
Intelligent Adaptation and Precision Engineering:
Tailored for BMW’s complex chassis systems, HITREKKER’s dynamic ET adaptation system offers platform-specific solutions: CLAR longitudinal platforms use ET25 (front)/ET18 (rear) to widen the track by 12 mm without modifying wheel arches, balancing stability with BMW’s iconic proportions. UKL transverse platforms employ ET30/ET22 to refine steering geometry, reducing understeer by 18% in Mini JCW models. The hub-centric 72.56 mm bore with ±0.005 mm precision eliminates radial micro-vibrations, while the DLC-coated hub seat reduces fretting wear by 90%. The patented variable-stiffness wheel bolts (12.9-grade alloy steel) feature gradient hardness (HRC38 at head/HRC28 at core) for precise clamping force control. Integrated with BMW’s ISTA system, real-time wheel load distribution monitoring is accessible via iDrive 8.0, achieving true hardware-software synergy.
Enduring Reliability and Luxury Craftsmanship:
Built for extreme conditions, HITREKKER implements triple protection: A 200 μm nano-ceramic coating on spoke backs maintains Ra0.8 μm surface finish after 1,000-hour salt spray tests, resisting -30°C road salt corrosion. The bead seat area’s hard anodization (HV450 hardness) triples fatigue life when mounting run-flat tires. The DLC-coated hub interface slashes aluminum-steel galvanic corrosion to 0.002 mm/year. TÜV Rheinland-certified 200,000-cycle rotational fatigue testing equates to circling the globe five times without structural failure. For enthusiasts, JWL+R-certified flow-forming ensures radial runout <0.3 mm, requiring ≤15 g balancing weights even at 250 km/h. From Munich streets to the Green Hell, these wheels redefine reliability benchmarks with aerospace-grade standards, embodying the pinnacle of technical luxury in high-performance automotive design.
