Bilstein B4 OE Replacement Suspension Strut Assembly

2020–2021 BMW M340i

Part #: 22-306623

Overview

The Bilstein B4 OE Replacement Suspension Strut Assembly is designed specifically for the 2020-2021 BMW M340i, offering a direct-fit solution to restore your vehicle’s original ride quality and handling performance. Engineered with precision and backed by Bilstein’s renowned reputation for quality and durability, these struts provide a seamless upgrade that maintains the factory ride characteristics while ensuring long-lasting performance.

If you’re seeking to replace worn or damaged suspension components to bring back the factory-level comfort and handling of your BMW M340i, the Bilstein B4 OE Replacement Strut Assembly is an excellent choice. Whether your vehicle has experienced mileage-related wear or you’re restoring it to factory condition, these struts help support optimal driving dynamics, safety, and ride comfort.

Key Features

The Bilstein B4 OE Replacement Dampers are engineered to meet or exceed OE standards, ensuring your vehicle maintains its original driving experience. Crafted with high-quality materials and advanced manufacturing techniques, these struts deliver reliable performance and consistent handling. Key features include:

• OE-grade construction with durable steel housings and precision components for long-lasting reliability.
• Bilstein’s proprietary gas-pressure technology to provide consistent damping and improved stability.
• Restores original ride comfort, handling, and safety, matching the factory specifications for the BMW M340i.
• Designed for quick, bolt-on installation with no modifications required, making it a straightforward replacement.
• High power reserves for maximum safety and confidence during spirited driving or everyday commuting.
• Seamless integration with your vehicle’s existing suspension system, ensuring optimal alignment and performance.

Construction & Design

The Bilstein B4 OE Replacement Strut Assembly features a robust steel housing and a precision-engineered piston rod that work together to deliver smooth, controlled damping. The design incorporates Bilstein’s proven gas-pressure technology, which helps maintain consistent performance over a wide range of driving conditions. The struts are manufactured with strict quality control standards, ensuring durability and resistance to corrosion and wear.

These assemblies are engineered to match the exact dimensions and mounting points of the original equipment, guaranteeing a perfect fit and reliable operation. The use of high-quality materials and advanced manufacturing processes ensures that the struts can withstand the stresses of daily driving while providing the comfort and handling characteristics expected from a premium OEM replacement.

Installation & Fitment

The Bilstein B4 OE Replacement Suspension Strut Assembly is a direct-fit replacement that requires no special modifications. Designed for easy bolt-on installation, these struts utilize the original mounting points and hardware, making the process straightforward for experienced DIY enthusiasts or professional technicians. No cutting, drilling, or tuning is necessary, and the assembly is engineered to restore your vehicle’s original handling and comfort.

• Bolt directly into your vehicle’s existing suspension system.
• Compatible with 2020-2021 BMW M340i models.
• Installation typically takes a few hours with basic tools.

What's Included

• Complete front or rear strut assembly with integrated coil spring (if applicable)
• Mounting hardware and necessary components for installation
• Instruction manual for proper installation procedures

Ideal For

• BMW M340i owners seeking to restore factory ride quality and handling
• Vehicles with worn or damaged OEM suspension components
• Enthusiasts who want reliable, high-quality replacement parts
• Drivers prioritizing safety, comfort, and original driving dynamics