Product introduction：
Auto suspension front control arm is a key component in automotive systems, and auto control arm for BMW is usually made of metal materials (such as steel or aluminum). The main function of our control arm for BMW is to connect the wheels to the body, absorb the impact of the road, and maintain the positioning and stability of the wheels; In this way, the auto control arm for BMW improves the vehicle's handling, steering accuracy and ride comfort. Our control arm for BMW reduces vibration and tire wear by strengthening the geometry. Auto control arm is an important component to ensure driving safety. The existence of control arm for BMW is essential to the entire system, and the design of control arm for BMW directly affects the driving experience. In short, lower control arm, as the core component, has always played a key role in ensuring vehicle performance and safety.
Product parameters：
| Parameter name | Value/description |
| Material type | Forged aluminum alloy, high-strength steel or sheet metal stamping |
| Weight reduction | 30% (compared to ordinary cast iron) |
| Strength increase | 50% |
| Lightweight effect | Aluminum alloy lower control arm reduces weight; Acceleration is more sensitive; Fuel consumption is reduced by 2%-5% (high-end models) |
| Bushing life | 80,000 kilometers+ (ordinary bushing is only 30,000-50,000 kilometers) |
| Bushing temperature range | -40℃~120℃ (anti-aging, high temperature resistance) |
| Ball head material | Chromium-molybdenum alloy; wear resistance is increased by 3 times to avoid early loosening |
FAQ：
Q: How does lower control arm improve vehicle handling and comfort?
A: By optimizing the geometry, lower control arm reduces steering virtual position and road impact; With rubber or hydraulic bushing, it enhances shock absorption, improves steering accuracy and ride comfort.
Q: What are the key improvements in the durability of lower control arm?
A: Lower control arm adopts graphene reinforced bushing and chromium-molybdenum alloy ball head, which has anti-aging, high wear resistance, and a life span of more than 80,000 kilometers, which significantly reduces tire wear and maintenance costs.
Q: What are the elements of the security design of lower control arm?
A: The lower auto control arm has passed the reinforcement and integrated casting design, and has undergone 200,000 fatigue tests; The multi-layer seal is dustproof and waterproof to prevent corrosion and ensure driving safety.
Q: What are the advantages of lightweight auto control arm?
A: Lightweight auto control arm, such as aluminum alloy models, reduces under-spring mass by 30%, improves acceleration response and fuel consumption (2%-5% reduction), and optimizes overall suspension performance.
About us：
We Sortech focus on the production and manufacture of spare parts for high-end automobiles, and are committed to providing customers with the best auto parts. Our auto control arm uses advanced materials and technology to significantly improve vehicle handling and comfort. If you have any questions, we always welcome you to consult!
A: Our products have passed ISO/TS 16949 quality management system certification, and meet the European CE, Russian GOST and other regional standards. Specific certification can be provided according to customer needs.
A: Yes! Please provide your requirements or refer to our product catalogue on the website. We will send you detailed technical documents (including size, material, vehicle type, etc.).
A: The regular model is available in stock, and the delivery cycle is 3-5 working days; the production cycle of customized products needs to be confirmed according to the order.
A: Please provide the brand, model and year of the vehicle (such as BMW 2020), we will match the corresponding accessories.
A: We provide OEM number comparison service or verify compatibility through third-party tools.
A: The default quotation is the factory price (excluding tax). If you need FOB price, you need to specify the freight forwarder and bear the international freight, we will cooperate with you.
A: The larger the order volume, the higher the discount. For example: -MOQ 100 pieces: unit price $10. -MOQ 500 pieces: unit price $8. Specific step prices can be negotiated after the procurement plan is provided.
A: The quotation is not included in tax (tax number of customer is required for export tax exemption in China). If DDP (tax paid delivery) is required, additional tax confirmation is required.
A: You can send the purchase list by email or submit the order online (official website link), we will confirm within 24 hours.
A: The modification can be made free of charge before production; the cancellation during production will incur the material loss fee (30% of the order amount); the cancellation after delivery is not allowed.
A: The freight shall be borne by your company under FOB price; the cost to the destination port/denominated place shall be borne by us under CIF/DAP price.
A: To be provided: -Commercial invoice (including HS code). -Packing list. -Certificate of origin (FORM A). -Technical documents (e.g. product certification certificates). We can assist in preparing the documents, but the customer is responsible for customs clearance.
A: It can be agreed to take the spot selling price of the Bank of China at the time of signing the contract as the benchmark, or avoid the risk of volatility through forward exchange contracts.
A: 2 years and 60,000 kilometers, electronic components 1 year warranty.
A: Please provide photos, test report and batch number to confirm the quality problem: -Free replacement or repair within the warranty period (24 months); -Negotiate partial compensation for non-quality issues.
A: The return freight shall be borne (except for quality problems), and the return shall be confirmed by our quality inspection.
A: Provide multi-language installation video and graphic manual, complex accessories can arrange engineers for remote guidance.
