Bilstein B4 OE Replacement Suspension Strut Assembly

2011–2016 BMW 550i xDrive

Part #: 22-265524

Overview

The Bilstein B4 OE Replacement Suspension Strut Assembly is designed to restore the original ride quality and handling of your 2011-2016 BMW 550i xDrive. Engineered with precision and backed by Bilstein's renowned reputation for quality and durability, these struts provide a reliable solution for drivers seeking to maintain or restore their vehicle's factory performance. Whether your existing suspension components are worn or you're performing routine maintenance, these OE replacement dampers ensure your BMW continues to deliver the smooth, confident ride you expect.

Ideal for daily drivers, enthusiasts, and those looking to keep their luxury sedan performing at its best, the Bilstein B4 struts help support optimal handling, ride comfort, and safety. Designed to meet or exceed OE standards, they are a perfect choice for restoring your vehicle's original driving dynamics without the need for aftermarket tuning or modifications.

Key Features

The Bilstein B4 OE Replacement Dampers incorporate advanced engineering and high-quality materials to deliver consistent performance and longevity. Some of the key features include:

• OE direct fitment with original mounting points and dimensions, ensuring hassle-free installation and perfect alignment with your vehicle's suspension system.
• High-quality steel construction with precision manufacturing processes, including TIG welding and CNC machining, for durability and reliability under various driving conditions.
• Gas-pressure technology that helps maintain consistent damping performance, providing a smooth and controlled ride whether you're navigating city streets or highway cruising.
• Bilstein's proprietary monotube design, which offers improved heat dissipation and consistent damping characteristics, even during demanding driving scenarios.
• Restores factory ride height and handling characteristics, ensuring your BMW maintains its original driving dynamics and safety standards.
• Designed to meet or exceed OE specifications, ensuring compatibility with your vehicle's existing suspension components.

Construction & Design

The Bilstein B4 OE Replacement Strut Assemblies are built with a focus on durability and performance. The high-strength steel housing is precision-engineered to match the original equipment specifications, ensuring a perfect fit and long-lasting service life. The monotube design incorporates a nitrogen gas charge that helps prevent aeration and maintains damping consistency over time. Each strut is assembled with high-quality seals and components to resist wear, corrosion, and leakage, even under challenging driving conditions. The result is a suspension component that not only restores your vehicle's original ride quality but also enhances its reliability and safety.

Installation & Fitment

The Bilstein B4 OE Replacement Suspension Strut Assemblies are designed as direct bolt-on replacements for your vehicle's original components. Installation is straightforward for experienced technicians or skilled DIY enthusiasts, with no need for modifications, cutting, or special tools. Proper alignment after installation is recommended to ensure optimal handling and tire wear. No tuning or additional adjustments are necessary, making this a convenient and reliable upgrade or replacement option.

• Direct fitment with factory mounting points
• No cutting, drilling, or tuning required
• Includes all necessary hardware for installation

What's Included

• Complete OE replacement strut assembly with integrated coil spring (if applicable)
• Mounting hardware and necessary components for installation
• Instruction manual for proper installation procedures

Ideal For

• Owners seeking to restore factory ride quality and handling
• Drivers experiencing worn or sagging suspension components
• Enthusiasts maintaining their BMW 550i xDrive for optimal performance
• Anyone looking for a reliable, high-quality OE replacement suspension part