Bilstein B4 OE Replacement Suspension Strut Cartridge

1994–1995 BMW 530i

Part #: 21-031199

Overview

The Bilstein B4 OE Replacement Suspension Strut Cartridge is designed specifically for the 1994-1995 BMW 530i, offering a direct-fit solution to restore your vehicle's original ride quality and handling characteristics. Engineered with precision and backed by Bilstein's renowned reputation for quality and durability, these strut cartridges are ideal for drivers seeking to maintain or return to factory-like performance without sacrificing comfort or safety.

Whether you're restoring a classic BMW or performing routine maintenance, the B4 OE Replacement dampers provide a seamless upgrade that preserves your vehicle's factory ride and handling dynamics. They are perfect for daily drivers, enthusiasts, or anyone looking to ensure their BMW 530i continues to deliver the driving experience it was designed for.

Key Features

The Bilstein B4 OE Replacement Strut Cartridge incorporates advanced engineering and high-quality materials to deliver reliable performance and longevity. 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 steel and Bilstein's proprietary valving technology to provide consistent damping characteristics.
• Direct Replacement: Designed for easy installation without modifications, using the existing mounting points and hardware.
• Enhanced Ride Comfort: Restores the original handling, stability, and comfort of your BMW 530i, maintaining the factory ride quality.
• Improved Safety & Safety Reserves: Built to meet or exceed OE standards, ensuring maximum safety and reliability under various driving conditions.
• World-Famous Bilstein Quality: Known for durability, performance, and consistent damping, Bilstein's OE replacement cartridges are trusted by professionals and enthusiasts alike.

Construction & Design

The Bilstein B4 OE Replacement Strut Cartridge features a robust steel housing with precision-engineered internal components. The cartridge design ensures a perfect fit within the existing strut assembly, utilizing Bilstein's monotube construction for superior heat dissipation and consistent damping performance. The internal valving is calibrated to match the factory specifications, providing a smooth, controlled ride that maintains the vehicle's handling characteristics. The durable coatings and high-quality materials resist corrosion and wear, ensuring long-lasting performance even under demanding driving conditions.

Installation & Fitment

The Bilstein B4 OE Replacement Suspension Strut Cartridge is a direct-fit component designed for straightforward installation. No modifications, cutting, or special tools are required beyond standard suspension service equipment. It mounts seamlessly into the existing strut assembly, restoring original handling and ride quality. For best results, professional installation is recommended to ensure proper alignment and performance.

• Easy bolt-on installation using factory mounting points
• No need for additional tuning or adjustments
• Designed to meet or exceed OE standards for fitment and durability

What's Included

• One Bilstein B4 OE Replacement Suspension Strut Cartridge for the specified side (driver or passenger)
• Installation hardware (if applicable)
• Comprehensive instructions for proper installation and handling

Ideal For

• Owners restoring their BMW 530i to factory ride quality
• Enthusiasts seeking reliable OE replacement parts
• Drivers prioritizing safety, comfort, and original handling characteristics
• Restoration projects or routine suspension maintenance