# Bilstein 46-181121 B12 Series Pro-Kit Suspension Lowering Kit for 2004-2010 Bmw 545I and More

### Performance Overview

Bilstein Complete Suspension Kit is the ultimate race inspired suspension, road-tested and fine-tuned by Bilstein engineers, under extreme motorsports conditions. These suspensions have a manually adjustable damping system which provides settings in the range between comfort and competition. The threaded body allows you to accurately adjust your suspension at range of 20mm at both axles to achieve the ride height, center of gravity and perfect handling in any situation. The spring plates and lock nuts are made from a special aluminum alloy while the Triple-C-Technology used for surface coating will provide long-lasting corrosion resistance.

### Key Features

-   B12 Series Pro Kit Lowering Kit Front Up To 1070kg Axle Load Rear Up To 1275kg Axle Load Not For Use w/Ride Height Adjustability

### Vehicle Fitment

-   2004 Bmw 545I (Note: Base)
-   2005 Bmw 545I (Note: Base)
-   2006 Bmw 550I (Note: Base)
-   2007 Bmw 550I (Note: Base)
-   2008 Bmw 550I (Note: Base)
-   2009 Bmw 550I (Note: Base)
-   2010 Bmw 550I (Note: Base)

### 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 46-181121.

**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

-   B12 Series Pro-Kit Suspension Lowering Kit for Bmw 545I
-   46-181121 fitment
-   Bilstein B12 Series Pro-Kit Suspension Lowering Kit
-   2004 Bmw 545I B12 Series Pro-Kit Suspension Lowering Kit

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2004

Bmw

545I

Base

2005

Bmw

545I

Base

2006

Bmw

550I

Base

2007

Bmw

550I

Base

2008

Bmw

550I

Base

2009

Bmw

550I

Base

2010

Bmw

550I

Base

## Details

- **Price:** 1906.78 CAD
- **Vendor:** Bilstein
- **Type:** B12 Series Pro-Kit Suspension Lowering Kit
- **Tags:** 2004 Bmw 545I, 2005 Bmw 545I, 2006 Bmw 550I, 2007 Bmw 550I, 2008 Bmw 550I, 2009 Bmw 550I, 2010 Bmw 550I, 46-181121, Automotive Parts, B12 Series Pro-Kit Suspension Lowering Kit, Bilstein, Bilstein Suspension, Direct Replacement, Performance Suspension, Suspension

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1906.78 CAD | In stock |

## Images

- Bilstein 46-181121 B12 Series Pro-Kit Suspension Lowering Kit for 2004-2010 Bmw 545I and More

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> Source: [Standard Auto Part](www.standardautopart.com/products/bilstein-bmw-545i-lowering-kit-46-181121)
> Updated: 2026-06-15