Bilstein B4 OE Replacement Suspension Strut Assembly

2014–2018 BMW 640i xDrive

Part #: 22-265524

Overview

The Bilstein B4 OE Replacement Suspension Strut Assembly is designed to restore your BMW 640i xDrive's original ride quality and handling performance. Engineered with precision and backed by Bilstein's renowned reputation for quality, these dampers provide a seamless fit and function, ensuring your vehicle maintains its factory-like comfort and responsiveness. Whether your existing struts are worn or you're looking to bring back the factory feel after repairs, the B4 OE Replacement is an ideal choice for drivers who demand reliability and consistent performance.

Perfect for daily drivers, enthusiasts restoring their vehicle to factory standards, or those seeking to maintain optimal handling, these struts help support your vehicle's suspension system by absorbing shocks and vibrations effectively. With Bilstein's high-quality engineering, you'll get a product that not only restores original ride characteristics but also enhances safety and driving confidence on every journey.

Key Features

Bilstein B4 OE Replacement Dampers are crafted to meet or exceed OE specifications, ensuring perfect compatibility and performance. The key features include:

• Designed specifically for the 2014–2018 BMW 640i xDrive, ensuring a precise fit and seamless installation.
• Constructed with durable, high-quality materials that withstand the rigors of daily driving and varying road conditions.
• OE-style design maintains the factory ride height and handling characteristics, providing a comfortable and controlled driving experience.
• Bilstein's monotube gas pressure technology delivers consistent damping performance and improved stability.
• High power reserves for maximum safety and durability, even under demanding driving conditions.
• Restores original handling, ride comfort, and steering response, making it an excellent choice for vehicle restoration or maintenance.
• Engineered for easy bolt-on installation with no need for modifications or additional tuning.
• Backed by Bilstein's reputation for quality and longevity, ensuring long-lasting performance.

Construction & Design

The Bilstein B4 OE Replacement Strut Assembly features a robust construction designed to replicate the original factory components. The shock absorber housing is made from high-strength steel, TIG-welded for durability and precision. The internal components utilize Bilstein's proven monotube gas pressure technology, which provides consistent damping and improved handling characteristics. The piston rods are corrosion-resistant, ensuring longevity and reliable performance over time. The assembly is engineered to match the exact dimensions and specifications of the OE parts, guaranteeing a perfect fit and straightforward installation.

Installation & Fitment

The Bilstein B4 OE Replacement Suspension Strut Assembly is a direct bolt-on replacement for the original factory units. No cutting, drilling, or special tools are required for installation. The assembly mounts using the factory mounting points, ensuring a hassle-free upgrade or replacement process. Basic mechanical skills and standard tools are sufficient to complete the installation, which typically can be done in a few hours. For optimal results, it is recommended to inspect and replace other suspension components as needed during installation.

• Easy bolt-on installation with no modifications required
• Designed to match factory specifications for a perfect fit
• Suitable for use with existing suspension setups without additional tuning

What's Included

• One complete strut assembly with integrated coil spring (if applicable)
• Mounting hardware and necessary clips
• Installation instructions

Ideal For

• BMW 640i xDrive owners seeking to restore factory ride quality
• Drivers requiring reliable, OE-quality replacement dampers
• Enthusiasts performing suspension repairs or upgrades
• Daily drivers prioritizing safety, comfort, and consistent handling