OE Quality
60-Day Returns

Unity 15-525502 Air Suspension Spring - Rear Right
Overview of Unity Air Suspension Spring/Bag Rear Right
The Unity Air Suspension Spring/Bag 15-525502 is designed specifically for the rear right position on select BMW models. This air suspension spring is engineered to restore proper ride height and improve suspension performance for BMW 525i, 528i, and 540i vehicles.
- Rear right air suspension spring designed for BMW 525i, 528i, and 540i
- Part number 15-525502 ensures precise fitment and compatibility
- Constructed to maintain optimal ride height and suspension stability
- Part of the Unity Air Suspension Spring/Bag product line for reliable air suspension components
- GTIN 00813566027547 for accurate identification and inventory management
Detailed Product Description
This Unity Air Suspension Spring/Bag 15-525502 is engineered to replace the rear right air suspension spring on BMW 525i, 528i, and 540i models. The air suspension spring supports the vehicle’s weight and maintains the correct ride height, which is critical for handling, comfort, and safety. Designed to meet OEM specifications, this component integrates seamlessly with the existing suspension system to provide consistent performance and durability.
The Unity Air Suspension Spring/Bag product line focuses on delivering air springs and bags that meet the demands of modern suspension systems. This line is tailored to provide reliable air suspension components that help maintain vehicle stability and ride quality, especially for luxury and performance vehicles like BMW.
Common Applications and Issues Addressed
- Restores proper rear right suspension height on BMW 525i, 528i, and 540i
- Replaces worn or leaking air suspension springs causing uneven ride height
- Addresses suspension sagging or poor handling due to faulty air springs
- Improves ride comfort and vehicle stability on affected rear suspension side
- Prevents further damage to suspension components by maintaining correct air pressure
Installation Notes and Tips
- Ensure vehicle is securely lifted and supported before removing the old air suspension spring
- Check for any air line damage or leaks during installation
- Follow manufacturer torque specifications for mounting hardware
- After installation, verify proper air pressure and suspension height adjustment
- Professional installation is recommended for safety and optimal performance
Quality Assurance and Warranty
Unity air suspension components, including the Air Suspension Spring/Bag 15-525502, are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided here, Unity products typically come with a limited warranty covering defects in materials and workmanship. It is advisable to consult the product documentation or supplier for exact warranty terms.
| Brand | Unity |
|---|---|
| Part Number | 15-525502 |
| Position | Air Suspension Spring/Bag, Rear Right |
| Position | Rear Right |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2003 | BMW | 525i | Wagon | Rear Right | w/ Rear Leveling; Air Suspension Spring/Bag |
| 2003 | BMW | 540i | Wagon | Rear Right | w/ Rear Leveling; Air Suspension Spring/Bag |
| 2002 | BMW | 525i | Wagon | Rear Right | w/ Rear Leveling; Air Suspension Spring/Bag |
| 2002 | BMW | 540i | Wagon | Rear Right | w/ Rear Leveling; Air Suspension Spring/Bag |
| 2001 | BMW | 525i | Wagon | Rear Right | w/ Rear Leveling; Air Suspension Spring/Bag |
| 2001 | BMW | 540i | Wagon | Rear Right | w/ Rear Leveling; Air Suspension Spring/Bag |
| 2000 | BMW | 528i | Wagon | Rear Right | w/ Rear Leveling; Air Suspension Spring/Bag |
| 2000 | BMW | 540i | Wagon | Rear Right | w/ Rear Leveling; Air Suspension Spring/Bag |
| 1999 | BMW | 528i | Wagon | Rear Right | w/ Rear Leveling; Air Suspension Spring/Bag |
| 1999 | BMW | 540i | Wagon | Rear Right | w/ Rear Leveling; Air Suspension Spring/Bag |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.