Bilstein B4 OE Replacement Suspension Strut Assembly

2012–2018 BMW 640i

Part #: 19-227627

Overview

The Bilstein B4 OE Replacement Suspension Strut Assembly is designed to restore your BMW 640i's original ride quality and handling performance. Engineered with precision and backed by Bilstein's renowned reputation for quality and durability, these dampers are the perfect solution for drivers seeking to maintain factory-like comfort and safety. Whether your vehicle has experienced wear over time or you’re restoring it to factory specifications, these struts provide a reliable and cost-effective upgrade that keeps your vehicle performing at its best.

Ideal for daily drivers, enthusiasts, and those restoring their BMW to its original condition, the Bilstein B4 OE Replacement Strut Assemblies help ensure your vehicle maintains its factory handling characteristics. They are engineered to meet or exceed OE standards, providing peace of mind and consistent performance on the road.

Key Features

The Bilstein B4 OE Replacement Dampers incorporate advanced engineering and high-quality materials to deliver a seamless driving experience. Key features include:

• OE-Equivalent Design: Precisely engineered to match the original factory specifications, ensuring perfect fitment and performance restoration.
• High-Quality Construction: Made with durable, corrosion-resistant materials that withstand harsh road conditions and environmental factors.
• Bilstein Gas Pressure Technology: Utilizes monotube gas pressure design for consistent damping performance, improved handling, and enhanced safety.
• Restores Original Ride Comfort: Maintains the factory ride quality, ensuring a smooth and comfortable driving experience.
• Enhanced Safety and Stability: Provides reliable support for your vehicle’s suspension, helping to maintain optimal tire contact and handling characteristics.
• Easy Installation: Designed as direct replacements for OEM components, allowing for straightforward installation without modifications.
• World-Famous Bilstein Quality: Known for durability, performance, and reliability, Bilstein dampers are trusted by automotive enthusiasts worldwide.

Construction & Design

The Bilstein B4 OE Replacement Strut Assemblies feature a robust monotube design, which offers superior heat dissipation and consistent damping performance. The housings are constructed from high-strength, corrosion-resistant steel, ensuring long-lasting durability. The precision-engineered piston and seal system provide smooth operation and help prevent leaks, maintaining optimal damping characteristics over the lifespan of the component. These struts are manufactured to exact OE specifications, guaranteeing a perfect fit and restoring your vehicle’s original handling dynamics.

The design emphasizes ease of installation, with components that align perfectly with factory mounting points. This ensures a hassle-free replacement process, allowing you to restore your BMW 640i’s suspension performance efficiently and effectively.

Installation & Fitment

The Bilstein B4 OE Replacement Suspension Strut Assemblies are designed as direct-fit replacements for the original factory components on your BMW 640i. No cutting, drilling, or modifications are required during installation. The process typically involves removing the existing struts and mounting these assemblies in their place, following standard suspension service procedures. For optimal results, it is recommended to replace struts in pairs and inspect related suspension components for wear. Professional installation is advised to ensure proper alignment and safety.

• Direct bolt-on replacement for factory units
• No special tools or modifications required
• Compatible with 2012-2018 BMW 640i models

What's Included

• One complete OE replacement strut assembly (left or right side)
• All necessary mounting hardware and components for installation

Ideal For

• BMW 640i owners seeking to restore original ride quality and handling
• Drivers experiencing worn or failing suspension components
• Enthusiasts looking for reliable, OE-quality replacement parts
• Restoration projects aiming to maintain factory specifications