Bilstein B3 OE Replacement Coil Spring

2006–2010 BMW 550i

Part #: 37-161880

Overview

The Bilstein B3 OE Replacement Coil Springs are designed specifically for the 2006-2010 BMW 550i, providing a direct replacement for your vehicle's original springs. Engineered to meet or exceed factory specifications, these coil springs restore your BMW's suspension performance, ride quality, and safety to their original factory standards. Whether you're experiencing sagging, uneven ride height, or simply want to maintain optimal handling, these OE replacement springs offer a reliable solution for maintaining your vehicle's intended driving dynamics.

Ideal for BMW enthusiasts, daily drivers, and those seeking to restore their vehicle's suspension to factory condition, the Bilstein B3 OE Replacement Coil Springs ensure your BMW 550i maintains its precise handling, comfort, and safety. Manufactured with high-quality materials and advanced design features, these springs help support your vehicle's weight, improve stability, and provide a smooth, controlled ride.

Key Features

Bilstein's OE Replacement Coil Springs incorporate innovative technical designs to match the original equipment specifications and ensure durability and performance. Key features include:

• Manufactured to meet all OE dimensions, spring rates, and design types, including miniblock and central force designs, ensuring perfect fitment and function.
• Precision-engineered pigtail ends and minibloc shapes that replicate the original spring geometry for seamless installation and optimal ride quality.
• High-quality steel construction with advanced coating processes to resist corrosion and wear, extending the lifespan of your suspension components.
• Designed to restore factory ride height and handling characteristics, maintaining your BMW's intended driving dynamics.
• Manufactured by Bilstein, a trusted leader in suspension technology with a reputation for durability and performance.

Construction & Design

The Bilstein B3 OE Replacement Coil Springs are crafted from premium high-tensile steel, ensuring strength and resilience under demanding driving conditions. The springs feature precise coil winding and advanced manufacturing techniques to match the original OE specifications exactly. The inclusion of specialized features such as pigtail ends and minibloc shapes ensures proper fitment and function, reducing installation time and potential issues. These springs are designed to withstand corrosion and fatigue, thanks to durable coating processes that protect against environmental elements, ensuring long-lasting performance and reliability.

Installation & Fitment

The Bilstein B3 OE Replacement Coil Springs are designed as direct bolt-on replacements for your vehicle's original springs. Installation is straightforward for experienced technicians or DIY enthusiasts with proper tools. No cutting, drilling, or modifications are required, and the springs are engineered to fit precisely into the factory suspension setup. For optimal safety and performance, it is recommended to replace both springs on each axle simultaneously and inspect related suspension components during installation.

• Direct replacement for factory springs
• No additional modifications needed
• Compatible with original suspension components

Always follow the manufacturer's installation instructions and safety precautions when replacing suspension components.

What's Included

• Pair of OE Replacement Coil Springs for the front or rear suspension (as specified)
• Installation hardware and instructions (if provided)

Ideal For

• BMW 550i owners seeking to restore factory ride quality and handling
• Drivers experiencing sagging or uneven ride height
• Enthusiasts wanting to maintain original suspension performance
• Mechanics performing suspension repairs or upgrades