# Bilstein 40-221601 B3 Series Air Suspension Spring for 2000-2006 Bmw X5

### Performance Overview

Bilstein B3 Series air bags will greatly improve your ride quality and handling. The B3 Series is designed as a replacement of the original suspension air bags on select Mercedes-Benz, BMW and Land Rover vehicles. Bilstein B3 air bags attach straight to the original plugs on your vehicle. As a result, the original feel of the vehicle will be restored. Plus, you will enjoy an easy installation process that does not require any modifications. So, if you're looking for the ideal combination of durability and performance, these air bags are exactly what you need!

### Key Features

-   B4 Series Suspension Air Bag/Bellow Rear Left

### Vehicle Fitment

-   2000 Bmw X5 (Note: 4.4I; With Rear Air Springs)
-   2001 Bmw X5 (Note: 3.0I, 4.4I; With Rear Air Springs)
-   2002 Bmw X5 (Note: 3.0I, 4.4I, 4.6Is; With Rear Air Springs)
-   2003 Bmw X5 (Note: 3.0I, 4.4I, 4.6Is; With Rear Air Springs)
-   2004 Bmw X5 (Note: 3.0I, 4.4I, 4.8Is; With Rear Air Springs)
-   2005 Bmw X5 (Note: 3.0I, 4.4I, 4.8Is; With Rear Air Springs)
-   2006 Bmw X5 (Note: 3.0I, 4.4I, 4.8Is; With Rear Air Springs)

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is 40-221601.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   B3 Series Air Suspension Spring for Bmw X5
-   40-221601 fitment
-   Bilstein B3 Series Air Suspension Spring
-   2000 Bmw X5 B3 Series Air Suspension Spring

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2000

Bmw

X5

4.4I; With Rear Air Springs

2001

Bmw

X5

3.0I, 4.4I; With Rear Air Springs

2002

Bmw

X5

3.0I, 4.4I, 4.6Is; With Rear Air Springs

2003

Bmw

X5

3.0I, 4.4I, 4.6Is; With Rear Air Springs

2004

Bmw

X5

3.0I, 4.4I, 4.8Is; With Rear Air Springs

2005

Bmw

X5

3.0I, 4.4I, 4.8Is; With Rear Air Springs

2006

Bmw

X5

3.0I, 4.4I, 4.8Is; With Rear Air Springs

## Details

- **Price:** 389.42 CAD
- **Vendor:** Bilstein
- **Type:** B3 Series Air Suspension Spring
- **Tags:** 2000 Bmw X5, 2001 Bmw X5, 2002 Bmw X5, 2003 Bmw X5, 2004 Bmw X5, 2005 Bmw X5, 2006 Bmw X5, 40-221601, Automotive Parts, B3 Series Air Suspension Spring, Bilstein, Bilstein Suspension, Direct Replacement, Performance Suspension, Suspension

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 389.42 CAD | In stock |

## Images

- Bilstein 40-221601 B3 Series Air Suspension Spring for 2000-2006 Bmw X5

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> Source: [Standard Auto Part](www.standardautopart.com/products/bilstein-bmw-x5-b3-series-air-40-221601)
> Updated: 2026-06-15