Bilstein B4 OE Replacement Suspension Strut Assembly

2014–2016 BMW 550i

Part #: 19-273754

Overview

The Bilstein B4 OE Replacement Suspension Strut Assembly is designed to restore the original ride quality and handling characteristics of your 2014-2016 BMW 550i. Engineered with precision and built to meet or exceed OE standards, these dampers provide a seamless replacement option for drivers seeking to maintain their vehicle’s factory performance. Whether your existing struts are worn out or you want to ensure your BMW continues to deliver the smooth, confident ride it was designed for, the Bilstein B4 OE Replacement is an ideal choice.

Perfect for daily drivers, enthusiasts, and those committed to maintaining their vehicle’s original driving dynamics, these struts help support optimal handling, stability, and comfort. With Bilstein’s renowned quality and engineering, you can trust that your BMW will continue to perform reliably and safely on every journey.

Key Features

The Bilstein B4 OE Replacement Dampers incorporate advanced technology and high-quality materials to deliver exceptional performance and durability. Key features include:

• OE-grade construction with high-strength steel and precision components for long-lasting reliability.
• Monotube design with a nitrogen gas charge that ensures consistent damping performance under various driving conditions.
• Direct fitment with factory mounting points, ensuring an easy, bolt-on installation without modifications.
• Restores original ride height, handling, and comfort, maintaining the vehicle’s factory dynamics.
• Bilstein’s proprietary valving technology provides a smooth, controlled ride while supporting responsive handling.
• Enhanced safety reserves and stability, especially during spirited driving or emergency maneuvers.
• Designed to meet or exceed OE standards for quality, safety, and performance.

Construction & Design

The Bilstein B4 OE Replacement Strut Assemblies are crafted with durability and precision in mind. The high-quality steel housing and piston components are TIG-welded for strength and reliability. The monotube design features a nitrogen gas charge that reduces foaming and ensures consistent damping performance, even in demanding driving conditions. The struts are engineered with a focus on maintaining the original ride height and handling characteristics of your BMW 550i, ensuring a factory-like fit and finish.

Each assembly is rigorously tested to meet strict quality standards, providing peace of mind and long-term performance. The design also minimizes noise, vibration, and harshness, contributing to a comfortable and refined driving experience.

Installation & Fitment

Designed as a direct replacement for your factory struts, the Bilstein B4 OE Replacement Assemblies are straightforward to install for those with basic mechanical skills. No cutting, drilling, or tuning is required. The assemblies bolt directly into the factory mounting points, ensuring a hassle-free upgrade that restores your vehicle’s original handling and comfort. It is recommended to replace struts in pairs to ensure balanced performance and handling.

• Bolt-on installation with factory mounting points
• No special tools or modifications required
• Suitable for DIY enthusiasts and professional installers alike

What's Included

• Complete OE Replacement Strut Assembly (front or rear as specified)
• All necessary hardware and mounting components
• Installation instructions

Ideal For

• BMW 550i owners seeking to restore factory ride quality and handling
• Drivers experiencing worn or sagging suspension components
• Enthusiasts wanting to maintain original driving dynamics
• Anyone looking for a reliable, high-quality replacement for their vehicle’s suspension system