Bilstein B4 OE Replacement Suspension Strut Assembly

2014–2017 BMW 640i

Part #: 22-295323

Overview

The Bilstein B4 OE Replacement Suspension Strut Assembly is designed to restore the original ride quality and handling characteristics of your 2014-2017 BMW 640i. Engineered with precision and backed by Bilstein's renowned reputation for quality and durability, these struts provide a seamless replacement option that maintains your vehicle’s factory performance. Whether you're experiencing worn-out suspension components or simply want to bring back the factory feel, these OE replacement dampers are an ideal solution for maintaining your BMW's refined driving experience.

Perfect for daily drivers, enthusiasts seeking to preserve factory handling, or those restoring their vehicle to its original condition, the Bilstein B4 OE Replacement Struts help support consistent ride comfort, safety, and handling. Designed to meet or exceed OE standards, these dampers ensure your vehicle continues to perform reliably on the road while maintaining the factory specifications for ride height and handling dynamics.

Key Features

The Bilstein B4 OE Replacement Dampers incorporate advanced engineering and high-quality materials to deliver a smooth, controlled ride that matches the original factory setup. These features include:

• OE-Quality Construction: Manufactured to meet or surpass the original equipment standards, ensuring perfect fitment and reliable performance.
• Monotube Design: Features a robust monotube construction that provides consistent damping performance and improved heat dissipation.
• Gas Pressure Technology: Utilizes Bilstein’s proprietary gas pressure technology to enhance ride comfort and handling stability.
• Durable Materials: Built with corrosion-resistant components and high-strength steel for long-lasting durability under various driving conditions.
• Precision Engineering: Designed specifically for the 2014-2017 BMW 640i to restore original handling, ride comfort, and safety.
• Maintains Factory Ride Quality: Restores the vehicle’s original handling characteristics without sacrificing comfort or safety.
• World-Famous Bilstein Quality: Known for rigorous testing and high manufacturing standards, ensuring reliability and performance.

Construction & Design

The Bilstein B4 OE Replacement Strut Assemblies are crafted with precision-engineered components that mirror the original factory specifications. The monotube design features a high-quality, corrosion-resistant steel body and a piston rod that ensures smooth, consistent damping performance. The internal valving is calibrated to match the factory damping characteristics, providing optimal handling, stability, and comfort. These struts are assembled with durable rubber bushings and mounts, ensuring a secure fit and reducing noise and vibrations. The design emphasizes heat dissipation and long-term reliability, making them suitable for everyday driving and spirited performance alike.

Installation & Fitment

The Bilstein B4 OE Replacement Strut Assemblies are designed for a straightforward, bolt-on installation. They utilize the factory mounting points and hardware, requiring no modifications, cutting, or drilling. The assembly process is simplified with pre-assembled units that include the strut, coil spring seat, and mounts, allowing for quick and hassle-free replacement. No special tuning or alignment adjustments are necessary beyond standard procedures, but a professional wheel alignment is recommended after installation to ensure optimal handling and tire wear.

What's Included

• Complete OE replacement strut assembly with integrated coil spring seat and mounts
• All necessary hardware and fasteners for installation
• Installation instructions (if applicable)

Ideal For

• BMW 640i owners seeking to restore factory ride quality and handling
• Drivers experiencing worn or degraded suspension components
• Enthusiasts restoring their vehicle to original specifications
• Anyone looking for reliable, high-quality OE replacement dampers from a trusted brand