Bilstein B4 OE Replacement Suspension Strut Assembly

2021 BMW 430i

Part #: 22-306623

Overview

The Bilstein B4 OE Replacement Suspension Strut Assembly is designed specifically for the 2021 BMW 430i, offering a direct fit replacement that restores your vehicle's original ride quality and handling characteristics. Engineered with precision and backed by Bilstein's renowned reputation for quality and durability, these struts are ideal for drivers seeking to maintain their vehicle's factory performance while ensuring safety and comfort on every drive.

Whether you're a daily commuter, a spirited driver, or someone who values consistent handling and ride comfort, the Bilstein B4 OE Replacement Strut Assembly provides a reliable solution. These dampers are crafted to meet or exceed OE standards, ensuring your BMW 430i maintains its original driving dynamics, handling, and safety features. With Bilstein's high-quality engineering, you'll get a product that not only restores but also preserves the vehicle's factory ride and handling characteristics.

Key Features

The Bilstein B4 OE Replacement Dampers incorporate advanced engineering and high-quality materials to deliver exceptional performance and longevity. Here are some of the key features:

• OE-Quality Construction: Designed to match the original factory specifications, ensuring perfect fitment and seamless integration with your BMW 430i's suspension system.
• High-Performance Dampening: Features Bilstein's proprietary gas-pressure technology, providing consistent damping performance for improved handling and stability.
• Restores Original Ride Comfort: Engineered to replicate the factory ride quality, maintaining the smoothness and comfort expected from your vehicle.
• Enhanced Safety & Safety Reserves: Built with high power reserves to ensure maximum safety and control during various driving conditions.
• Durability & Corrosion Resistance: Constructed with corrosion-resistant materials to withstand harsh road conditions and extend service life.
• World-Famous Bilstein Quality: Known for rigorous testing and quality assurance, ensuring reliable performance and long-lasting durability.

Construction & Design

The Bilstein B4 OE Replacement Strut Assembly features a robust design utilizing high-strength steel and precision manufacturing processes. The shock absorber housing is crafted from durable materials that resist corrosion and wear, ensuring consistent performance over time. The internal components are engineered for optimal damping characteristics, providing a smooth, controlled ride that closely matches the original factory setup.

The assembly includes a pre-assembled strut with a factory-matched spring and mount, simplifying installation and ensuring proper fitment. The design incorporates Bilstein's patented gas-pressure technology, which enhances damping response and reduces body roll, contributing to improved handling and safety. The one-piece housing and precision TIG welding ensure structural integrity and longevity, even under demanding driving conditions.

Installation & Fitment

The Bilstein B4 OE Replacement Suspension Strut Assembly is a direct bolt-on replacement for the original factory components. No cutting, drilling, or modifications are required, making it a straightforward installation for qualified technicians or experienced DIY enthusiasts. The pre-assembled design ensures proper alignment and fitment, restoring your BMW 430i's original handling and ride quality without the need for additional adjustments or tuning.

• Designed specifically for the 2021 BMW 430i
• OE direct fit, no modifications needed
• Installation typically requires basic hand tools and standard suspension knowledge

For optimal performance and safety, it is recommended to replace suspension components in pairs (both front or both rear) and have the alignment checked after installation.

What's Included

• Complete OE Replacement Strut Assembly for the front or rear suspension
• All necessary mounting hardware and components
• Installation instructions

Ideal For

• BMW 430i owners seeking to restore factory ride quality
• Drivers looking for reliable, durable suspension components
• Enthusiasts who want to maintain original handling and safety standards
• Those performing suspension repairs or replacements