Bilstein B4 OE Replacement Suspension Strut Assembly

2017–2019 BMW 230i

Part #: 22-240583

Overview

The Bilstein B4 OE Replacement Suspension Strut Assembly is designed to restore your BMW 230i's original ride quality and handling performance. Engineered with precision and backed by Bilstein's renowned reputation for quality, these struts are the perfect solution for drivers seeking to maintain or return to factory-like comfort and stability. Whether you're replacing worn-out components or performing routine maintenance, the B4 OE Replacement struts deliver reliable performance that keeps your vehicle driving smoothly and confidently.

Ideal for daily drivers, enthusiasts, and anyone looking to preserve the factory ride characteristics of their BMW 230i, these struts help support consistent handling, improved safety, and a comfortable driving experience. With Bilstein's commitment to quality and durability, you can trust these OE replacement dampers to meet or exceed original equipment standards, ensuring your vehicle maintains its intended performance for miles to come.

Key Features

The Bilstein B4 OE Replacement Damper features advanced engineering and high-quality materials to deliver a seamless fit and reliable performance. Designed specifically for the 2017-2019 BMW 230i, these struts help restore the vehicle's original handling and comfort. Key features include:

• OE-style design and construction for perfect fitment and function
• High-quality steel housing with corrosion-resistant coating for durability
• Bilstein's patented monotube design for consistent damping performance
• Optimized valving to match factory ride and handling characteristics
• High power reserves for maximum safety and stability under various driving conditions
• Restores original driving comfort, handling, and responsiveness
• Manufactured to meet or exceed OE standards for quality and reliability

Construction & Design

The Bilstein B4 OE Replacement Strut Assemblies are built with precision-engineered components to ensure a perfect fit and long-lasting performance. The monotube design features a high-strength steel housing with a corrosion-resistant coating, providing excellent durability against the elements. The internal valving is calibrated to match the factory damping characteristics, ensuring that your BMW 230i maintains its original ride quality and handling dynamics. These struts are assembled with high-quality seals and components to prevent leaks and ensure consistent performance over time.

Installation & Fitment

The Bilstein B4 OE Replacement Strut Assemblies are designed as direct bolt-on replacements for the original factory components. Installation is straightforward for experienced technicians or DIY enthusiasts with basic suspension knowledge. No cutting, drilling, or modifications are required, and the original mounting points and hardware are used for a seamless fit. Proper installation ensures optimal performance and longevity of the suspension system. It is recommended to replace struts in pairs to maintain balanced handling and ride quality.

• Direct bolt-on replacement for OEM struts
• No special tools or modifications required
• Compatible with 2017-2019 BMW 230i models

What's Included

• One pair of Bilstein B4 OE Replacement Suspension Strut Assemblies (front left and right)
• Mounting hardware and instructions for proper installation

Ideal For

• BMW 230i owners seeking to restore factory ride quality
• Drivers replacing worn or damaged suspension components
• Enthusiasts aiming to maintain original handling and comfort
• Anyone looking for reliable, durable OE replacement dampers