Bilstein Suspension Strut Assembly

2017-2020 BMW 440i xDrive

Part #: 23-266483

Overview

The Bilstein B6 Performance (DampTronic) Suspension Strut Assembly is a high-quality upgrade designed specifically for the 2017-2020 BMW 440i xDrive. Engineered to enhance your vehicle’s handling and ride comfort, these dampers are a perfect choice for enthusiasts seeking improved stability without sacrificing the factory electronic suspension features. They are built to retain all active electronic controls, ensuring seamless integration with your vehicle’s existing systems. Each damper undergoes rigorous testing to meet or exceed OE standards, providing reliable performance and durability. The application-specific valve settings optimize damping characteristics, resulting in a more responsive and controlled driving experience while maintaining the comfort and safety expected from your BMW. Whether you’re looking to improve handling during spirited driving or restore factory ride quality after wear, these dampers are designed to support your vehicle’s performance profile. They help maintain proper ride height, reduce body roll, and improve overall stability, making them suitable for daily driving, spirited outings, or light track use. The Bilstein B6 DampTronic Struts are an excellent upgrade for drivers who demand consistent, high-quality suspension performance that complements the vehicle’s sophisticated electronic systems.

Key Features

The Bilstein B6 Performance DampTronic Struts feature advanced engineering and high-grade materials to deliver a balanced blend of comfort and handling. Key features include:

• Application-specific valve settings for optimal damping response
• Retains factory electronic suspension controls for seamless operation
• Rigorously tested for quality, durability, and performance
• Designed to be paired with OE factory springs for a direct replacement
• High-quality steel construction for strength and longevity
• Improves handling, stability, and ride comfort
• Maintains factory ride height and suspension geometry

Construction & Design

These dampers are constructed with precision-machined components and high-grade steel to ensure structural integrity and long-lasting performance. The internal valve design is tailored specifically for the BMW 440i xDrive, providing consistent damping characteristics that adapt to various driving conditions. The dampers are finished with corrosion-resistant coatings to withstand the elements and road debris, ensuring reliable operation over time.

Driving Feel & Feedback

The Bilstein B6 DampTronic Struts deliver a noticeably improved driving feel by providing more precise control and reduced body roll. They enhance the vehicle’s responsiveness during cornering and braking, offering a confident and engaging driving experience. The damping characteristics are tuned to support both comfort and performance, ensuring a smooth ride without sacrificing handling prowess.

Installation & Fitment

Installation involves replacing the factory struts with these direct-fit assemblies. Basic suspension tools and alignment are recommended to ensure proper installation and optimal performance. Fitment should be verified against the vehicle’s specifications and the part number provided.

What’s Included

The package includes one pair of Bilstein B6 Performance (DampTronic) Suspension Strut Assemblies, designed specifically for the front or rear suspension of the 2017-2020 BMW 440i xDrive, along with necessary hardware for installation.