Bilstein B4 OE Replacement Suspension Strut Assembly

2002–2005 BMW 745i

Part #: 22-184283

Overview

The Bilstein B4 OE Replacement Suspension Strut Assembly is designed to restore your BMW 745i's original ride quality and handling performance. Engineered with precision and backed by Bilstein's renowned reputation for quality, these dampers are the perfect solution for drivers seeking to maintain or return to factory-like comfort and control. Whether your existing struts are worn or you're performing routine maintenance, the B4 OE Replacement ensures your vehicle continues to deliver the smooth, confident driving experience you expect from a premium luxury sedan.

Built for enthusiasts who value safety, reliability, and authentic driving dynamics, these strut assemblies help support your vehicle's suspension system, ensuring optimal tire contact with the road. They are ideal for daily drivers, long-distance cruisers, and anyone looking to keep their BMW performing at its best without sacrificing comfort or handling precision.

Key Features

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

• OE-style design and construction that match the original factory specifications for perfect fitment and function.
• High-quality monotube gas-pressure technology that provides consistent damping performance and improved stability.
• Robust steel construction with corrosion-resistant coatings to withstand the rigors of daily driving and harsh weather conditions.
• Bilstein's proprietary valving technology, which ensures optimal ride comfort, handling, and safety, restoring the vehicle’s factory ride quality.
• Engineered to meet or exceed OE standards, ensuring durability and long service life.
• Designed for easy installation with no modifications required, making it a straightforward replacement for your worn or damaged factory struts.
• Backed by Bilstein's reputation for quality and performance, providing peace of mind for the discerning driver.

Construction & Design

The B4 OE Replacement Strut Assemblies feature a monotube design with a high-pressure gas chamber that enhances responsiveness and reduces brake dive during deceleration. The housings are crafted from durable steel with corrosion-resistant coatings, ensuring longevity and resistance to environmental elements. The internal valving is precisely calibrated to match the factory damping characteristics, delivering a ride that feels natural and balanced. The assembly includes all necessary mounting hardware, ensuring a secure and proper fitment that restores your vehicle’s original handling and comfort.

Installation & Fitment

The Bilstein B4 OE Replacement Suspension Strut Assemblies are designed as direct bolt-on replacements for the original factory units. No cutting, drilling, or special tools are required for installation. The process typically involves removing the existing struts and mounting these assemblies in their place, restoring your vehicle’s original ride height and handling characteristics. For best results, professional installation is recommended to ensure proper alignment and function.

• Easy, bolt-on installation with factory mounting points
• No modifications or tuning required
• Designed specifically for the 2002–2005 BMW 745i

What's Included

• Complete front and rear OE Replacement Strut Assemblies
• All necessary mounting hardware and hardware
• Installation instructions (if applicable)

Ideal For

• BMW 745i owners seeking to restore factory ride quality
• Drivers experiencing worn or sagging suspension components
• Enthusiasts who want reliable, high-quality replacement parts
• Those looking to maintain the vehicle’s original handling and comfort