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Unity 15-525502 Rear Right Air Spring
Replacement air spring restores self-leveling rear suspension on select BMW wagons from 1999 to 2003
- Designed for 1999-2003 BMW wagon self-leveling suspension
- Restores safe and comfortable air ride quality
- Built by Unity with over 50 years aftermarket experience
- Ensures trouble-free installation and long-lasting reliability
- Direct manufacturer shipment for 15-525502 rear right air spring
Unity Rear Right Air Spring 15-525502
This replacement air spring fits 1999-2003 BMW 5 Series wagon models equipped with self-leveling suspension. It restores the rear right corner of the air suspension system for 525i, 528i and 540i variants. The part is designed for vehicles without sport suspension.
Direct-fit design for straightforward installation
The unit bolts into the original mounting points on compatible wagons, so no fabrication or modification is required. Installers should verify the vehicle has self-leveling suspension and not sport suspension before fitting, as the spring will not suit the latter. Reusing worn mounting hardware can cause premature leakage or noise.
Maintains ride height under continuous load
The air spring supports the vehicle’s self-leveling function during extended journeys or when carrying passengers and luggage. It resists fatigue from repeated compression cycles better than aged original units. Vehicles with sport suspension or non-wagon body styles cannot use this part.
How it compares
Measured against everything we stock in Engine Parts, Chassis & Socket Sets, at today’s prices. Recalculated every night.
- Price $58.99
- Typical for this category: the median of 231 items is $62.99.
Specifications
| Product | |
|---|---|
| Brand name | UNITY |
Questions about this item
How do I confirm the 15-525502 rear right air spring is working after installation?
Inflate the system and check that the rear right corner of the 525i Wagon, 528i Wagon or 540i Wagon sits level and holds height without leakage.
What comes in the box with the 15-525502 and what must I source separately?
The box contains the Unity rear right air spring only; mounting hardware, air lines and fittings are not included and must be purchased separately.
Which version of the 15-525502 fits my 1999-2003 BMW wagon with self-leveling suspension?
This single rear right air spring covers 1999-2000 528i Wagon, 2001-2003 525i Wagon and 1999-2003 540i Wagon models equipped with self-leveling suspension, excluding sport suspension.
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