Bilstein B4 OE Replacement Suspension Strut Assembly

2019–2021 BMW Z4 Front Right

Part #: 22-304445

Overview

The Bilstein B4 OE Replacement suspension strut assembly for the front right position is designed to restore your BMW Z4's original ride quality and handling characteristics. Engineered with precision and backed by Bilstein's renowned reputation for quality and durability, this strut assembly provides a reliable solution for drivers seeking to maintain or restore their vehicle's factory performance.

Whether you're experiencing worn-out suspension components or simply want to bring back the factory feel, this OE replacement strut ensures your BMW Z4 maintains its intended handling dynamics. Perfect for daily drivers, enthusiasts, and those restoring their vehicle to factory standards, the Bilstein B4 strut offers a seamless fit and consistent performance.

Key Features

The Bilstein B4 OE Replacement strut assembly is crafted to meet or exceed OE specifications, ensuring your vehicle's suspension system functions as originally designed. Its key features include:

• Precisely engineered to match the original factory specifications for the BMW Z4 (2019–2021), ensuring perfect fitment and performance.
• Constructed with high-quality materials that deliver long-lasting durability and resistance to wear and corrosion.
• Bilstein's proprietary damping technology provides a smooth, comfortable ride while maintaining excellent handling and stability.
• OE-style design ensures compatibility with existing mounting points and suspension components, simplifying installation.
• Restores original ride height, ride quality, and handling characteristics, making it an ideal choice for vehicle restoration or replacement.
• Manufactured to meet or exceed OE standards, ensuring safety, reliability, and consistent performance.

Construction & Design

The Bilstein B4 OE Replacement strut assembly features a robust construction utilizing high-strength steel and durable rubber bushings to withstand the rigors of daily driving. The shock absorber component employs Bilstein's monotube design, which provides consistent damping performance and heat dissipation. The assembly is pre-assembled for ease of installation, ensuring proper alignment and fitment right out of the box.

Designed with precision engineering, this strut maintains the original suspension geometry, preserving your vehicle's handling and ride comfort. Its corrosion-resistant coating and high-quality seals ensure longevity and reliable performance over time, even in challenging driving conditions.

Installation & Fitment

This front right strut assembly is designed as a direct bolt-on replacement for the original equipment, requiring no modifications, cutting, or drilling. The pre-assembled unit simplifies installation, allowing for a straightforward replacement process. Basic tools and mechanical knowledge are sufficient for installation, but professional alignment is recommended afterward to ensure optimal handling and tire wear.

• No special tools or modifications are required.
• Designed to fit precisely into the factory mounting points on the BMW Z4 (2019–2021).
• Installation typically takes approximately 1–2 hours per side.

What's Included

• Complete front right suspension strut assembly with pre-installed coil spring and mounting hardware
• Installation instructions

Ideal For

• BMW Z4 owners seeking to restore or maintain factory ride quality
• Drivers experiencing worn or damaged suspension components
• Enthusiasts performing vehicle restoration or suspension upgrades
• Anyone looking for a reliable, OE-quality replacement for their BMW Z4's front suspension