Ti6al4v Titanium Wheel Lug Bolts M14 X1.25 For Bmw For Bmw F-Series And G-Series Platforms, provide a unique mix of lightweight performance and structural integrity. Each bolt weighs under 50g and is 45mm long, produced from aerospace quality Ti-6Al-4V alloy and with a rust-proof anodized finish. An alternative to OEM steel bolts, these fasteners do not compromise safety. The tensile strength may be up to 950 MPa, and the density can be as low as 4.43 g/cm3, which is about 45% lighter than steel of the same size.

Extreme Lightweight: 50g per bolt, a complete 20-bolt installation saves about 1.2-1.5kg of rotating unsprung mass compared to steel, with immediate benefits to steering responsiveness and suspension reactivity.
High Strength – This material has a tensile strength of 950 MPa and a yield strength of 880 MPa, which is comparable to Class 10.9 steel, making it fully safe for street and competitive track usage.
Corrosion Resistance Titanium is inherently corrosion-proof, but for further protection against salt water, road chemical and humid coastal environments it is anodized and requires no additional maintenance.
Thermal Stability : These bolts have a structural integrity up to 500 degrees C and are also suitable for heavy braking cycles in racing.
Product Specification & OEM Customization
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Parameter
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Details
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Material Grade
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Grade 5 Ti-6Al-4V (Aerospace Grade)
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Material Standard
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ASTM B348, AMS 4928
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Thread Specification
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M14 × 1.25
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Length
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45 mm (standard) / Customized
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Unit Weight
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50 g (standard) / Varies by spec
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Density
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4.43 g/cm³
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Tensile Strength
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≥ 950 MPa
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Yield Strength
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≥ 880 MPa
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Thermal Stability
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Up to 400°C – 500°C
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Surface Treatment
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Anodizing / Polishing / Sand Blasting / Custom
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Thread Tolerance
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ISO 965 Class 6g
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Recommended Torque
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140 Nm (per BMW OEM specification)
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Compatible Platforms
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BMW F-Series, G-Series (e.g., F30, F80, G20, G80)
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Customization
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OEM/ODM available; per customer drawing
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BMW M-Series Motorsport: Applied to M2, M3 and M4 competitive builds where less unsprung rotational weight is a lap speed and turn-in accuracy gain.
Boutique Modification & Show Vehicles: High-value forged wheels are matched with anodized finishes in gold, black and titanium blue. Unlike steel, these bolts will not chip, rust, or stain over time.
Coastal & Winter Environments: For BMW owners in marine or heavily salted regions, Ti6al4v Titanium Wheel Lug Bolts M14 X1.25 for Bmw eliminate the risk of fasteners seizing in the hub — ensuring safe, straightforward maintenance over years of use.
Going from steel to titanium wheel bolts isn’t simply a cosmetic enhancement, it’s a technical upgrade.
Standard OEM steel bolts contribute excess rotating, unsprung mass which directly affects suspension dynamics and acceleration. Every gram saved behind the wheel makes a meaningful impact on track and on the road.
Our bolts are CNC-machined to tight tolerances from Grade 5 Ti-6Al-4V bar stock. Threads are precision-formed to ISO 965 standards, ensuring perfect fitment in BMW hubs without risk of damage. The stable titanium oxide layer provides inherent immunity to road salt, moisture, and coastal corrosion — eliminating the rusted fastener problem that affects steel bolts over time.
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Production begins with certified Ti-6Al-4V bar stock, verified by spectroscopic PMI analysis before entering the machining line.
CNC turning and thread machining are performed on advanced multi-axis lathes, maintaining dimensional accuracy across every bolt. The thread profiles are carefully machined to retain the grain structure of the alloy for maximum fatigue resistance under cyclic wheel loads.
Post-machining procedures include deburring, surface finishing and anodizing. Each lot is checked with Go/No-Go thread gages and CMM dimensional verification prior to release.








Baoji Huacan has over 10 years of titanium precision machining expertise and more than 40 CNC machining centers. Annual capacity more than 1,000 tons. We handle small R&D validation batches to long term bulk supply contracts.
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| melting | melting | forging | forging | rolling |
Every manufacturing batch is PMI spectroscopically verified, Go/No-Go thread gaged, CMM dimensionally measured, surface appearance reviewed and ultrasonically tested when applicable. All shipments are accompanied by material traceability certifications and thorough inspection reports.
Baoji Huacan is ISO 9001 quality management system certified, from the acquisition of raw material to the final inspection and shipping documents.
Mechanical Properties Testing

Inner Diameter Measurement

Ultrasonic Testing

CMM Dimensional

Mounting Hole Diameter Measurement

Quality Management System Certification
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Method
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Details
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Component Protection
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Custom foam inserts + vacuum-sealed bags with desiccants
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Bulk Shipment
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Sturdy wooden crates
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Air Freight
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Available for urgent orders
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Sea Freight
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Cost-effective option for bulk volumes
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Documentation
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Inspection reports, material certificates, full labeling
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Q: What torque should I apply to these bolts?
A:Follow BMW's OEM specification of 140 Nm (approximately 103 ft-lbs). The clamping requirement does not change based on bolt material.
Q: Can titanium bolts gall or seize in the hub?
A:Titanium-to-metal contact can cause galling. Always apply a quality anti-seize compound to the threads during installation to prevent this.
Q: Are these compatible with older BMW E46 or E90 models?
A:No. Those platforms use M12×1.5 threads. These bolts are designed specifically for F-Series and G-Series BMW models requiring the M14×1.25 pitch.
Q: Is Grade 5 titanium strong enough for wheel bolt applications?
A:Yes. Ti-6Al-4V yield strength is comparable to Class 10.9 steel, making it fully appropriate for street and motorsport wheel fastening.
Ready to order Ti6al4v Titanium Wheel Lug Bolts M14 X1.25 for Bmw or need custom specifications? Email us: sherry@hc-titanium.com
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