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Air Suspension Compressor Pump for BMW 5 Series E39 - 37226787616 (with Relay)
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Air Suspension Compressor Pump for BMW 5 Series E39 - 37226787616 with Relay
BMW 5 Series E39 Air Suspension Compressor Pump 37226787616
This is a high-quality aftermarket air suspension compressor pump designed by YINRON specifically for the BMW 5 Series E39 . Meticulously engineered to match the performance of OEM parts, this product offers a reliable and cost-effective solution for restoring the vehicle's self-leveling function, handling stability, and ride comfort. This kit includes the essential relay to ensure stable system operation and long-term reliability after installation.
Technical Specifications
- ⚡ Operating Voltage: 12V
- 🌡️ Temperature Range: -40°C to +80°C (Tested for extreme reliability in all climates)
- 🛠️ System Type: Maintenance-free dry operation
Key Technical Features
- ✅ Integrated Air Dryer: Features a tried and tested design with a built-in air dryer to ensure reliable functionality over the full lifetime of the vehicle by keeping the system moisture-free.
- ✅ Dry Condition Performance: The cylinder and crankshaft function in dry conditions, removing the requirement for lubrication fluids. This eliminates the risk of hazardous leakages and ensures a cleaner, more durable system.
- ✅ Plug-and-Play Solution: Designed for a straightforward installation process, making it an easy-to-install replacement that gets your vehicle back on the road quickly. (Professional installation is highly recommended.)
- ✅ Enhanced Reliability (Relay Included): Includes a new high-quality relay to prevent electrical failures —critical components often overlooked when replacing the compressor.
🛡️ 100% Fitment Guarantee - Free VIN Check!
Suspension parts are complex. Unsure if this fits your specific BMW? Send us your 17-digit VIN (Vehicle Identification Number) via our live chat or contact page, and our experts will confirm compatibility within 24 hours. Buy with confidence! (Monday to Friday)
Vehicle Compatibility
This compressor pump fits the following BMW 5 Series (E39) models equipped with self-leveling air suspension:
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BMW 5 Series Touring (E39) 1997-2004:
- 520i / 523i / 525i / 528i / 530i / 540i Touring
- 520d / 525d / 530d Touring
OEM Interchange Part Numbers
Replaces the following original BMW part numbers:
37226787616, 37221092349, 37226778773
Product Specifications
| Brand | YINRON® |
| SKU | AC.3722.616DB |
| Gross Weight | 4.2 KG |
| Dimensions | 32.5*20.5*19.5cm |
| Package Includes | 1x Air Suspension Compressor Pump 1x High-Quality Relay |
| Warranty | 1-year warranty |
⚠️ Installation Note: Before installing the compressor, please ensure that there are no air leaks in the air suspension system, including the air suspension struts, air springs, valves blocks and air hose. Failure to do so will result in immediate damage to the compressor, which will not be covered by the warranty.
Warranty, Shipping & Support
- Shipping: Orders are securely packaged and typically dispatched within 24-48 hours.
- Return Policy: Due to international shipping costs, we do not accept returns for items without quality issues.
- Quality Guarantee: If you encounter issues like air leaks or material defects, please provide clear photos/videos for a prompt refund or replacement.
- Technical Support: We offer online assistance for installation via Live Chat, WhatsApp, or Email.
FAQ
Q: Do I need to replace the relay when installing this pump?
A: Yes, absolutely. To maintain your warranty and ensure the longevity of your new compressor, the relay must be replaced. Good news — this kit already includes a new high-quality relay , so you have everything you need for a complete and reliable installation.
Q: My BMW keeps dropping overnight — is the compressor definitely the problem?
A: Not necessarily. Overnight suspension drop is often caused by air leaks in the air springs, air lines, or valve block — not the compressor itself. We strongly recommend checking the entire system for leaks before replacing the compressor. Installing a new pump into a leaking system will cause immediate damage and void the warranty.
Air Suspension Pump Installation Guide: Precautions and Best Practices
Note: Before installing the new compressor, please ensure the air suspension system is checked for any leaks (such as in air springs or lines), as leaks cause the compressor to overwork and lead to premature failure.
YINRON Shipping & Refund Policy
1. Processing & Shipping
Orders are processed within 1–2 business days (excluding weekends and holidays). A tracking code will be emailed upon dispatch. We ship via FedEx, DHL, and UPS:
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USA: 9–12 days via DDP Express (import duties & taxes included).
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Canada & Mexico: 4–7 days.
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Europe & Middle East: 5–7 business days.
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East & Southeast Asia: 2–4 days.
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Oceania: 3–5 days | Africa: 5–9 days.
Note: For non-USA orders, buyers are responsible for local import duties and taxes. If a package is returned or destroyed because the buyer refuses customs clearance/tax payment, no refund will be issued. Please double-check your shipping address; YINRON is not responsible for incorrect addresses provided.
2. Order Cancellation
Orders can be cancelled for a full refund before they ship. Once an order has been processed and dispatched, it cannot be cancelled or modified.
3. Transit Damage & Defect Refunds
Due to high international freight costs, we do not accept standard returns or exchanges once shipped.
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Damage Upon Delivery: If your package arrives damaged during transit, please contact us with photos within 48 hours of receipt.
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Manufacturing Defects: If you receive an item with a genuine manufacturing defect, we will offer either a free replacement or a full refund (including original shipping fees) upon verification. Approved refunds process back to your original payment method within 2–3 business days.
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How to Claim: Email info@yinron.com with your order number, clear photos/videos of the issue, and a clear photo showing the YINRON product label.
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Exclusions: Claims may be declined if sufficient visual proof is withheld. Local customs fees/taxes are non-refundable. Issues resulting from improper installation, post-delivery abuse, or misuse (e.g., racing, extreme off-roading) are not covered.





