Bilstein B3 OE Replacement Coil Spring

2004–2010 BMW X3

Part #: 37-239817

Overview

The Bilstein B3 OE Replacement Coil Springs are engineered to restore your BMW X3's suspension system to its original factory specifications. Designed specifically for the 2004-2010 model years, these coil springs provide a direct replacement for your vehicle's worn or damaged factory springs, ensuring optimal ride quality, handling, and safety. Whether your springs have sagged over time or you’re restoring your vehicle to its original condition, these OE replacement springs are an ideal choice for maintaining the vehicle's intended driving dynamics.

Perfect for enthusiasts, daily drivers, and those seeking to maintain their vehicle’s factory performance, the Bilstein B3 OE Replacement Coil Springs help support your vehicle’s weight, improve ride comfort, and ensure consistent handling. By restoring the original spring height and stiffness, these springs contribute to a smooth, controlled ride and help maintain proper alignment and suspension geometry.

Key Features

Bilstein’s OE Replacement Coil Springs incorporate advanced technical designs to match the original equipment specifications, ensuring a seamless fit and reliable performance. Crafted with precision, these springs feature innovative design elements such as pigtail ends, minibloc shapes, and central force design, which contribute to their durability and consistent performance over time.

• Manufactured to meet all OE dimensions, spring rates, and design types, including miniblock and central force configurations.
• Precisely engineered to restore factory ride height and handling characteristics.
• Constructed from high-quality steel to withstand the rigors of daily driving and varying road conditions.
• Designed with pigtail ends for optimal fitment and longevity.
• Maintains original ride comfort, handling, and safety standards.
• Backed by Bilstein’s reputation for quality and durability.

Construction & Design

The Bilstein B3 OE Replacement Coil Springs are built using high-strength steel, ensuring long-lasting performance and resistance to sagging or fatigue. Their design incorporates precise coil winding and specialized shapes such as minibloc and central force configurations, which help distribute load evenly and improve stability. The pigtail ends are engineered for secure attachment points, reducing the risk of noise or premature wear. These springs are manufactured to exact OE specifications, guaranteeing a perfect fit and restoring your vehicle’s original ride height and handling characteristics.

Installation & Fitment

The Bilstein B3 OE Replacement Coil Springs are designed as direct bolt-on replacements for the original springs on your BMW X3. Installation is straightforward for experienced DIY enthusiasts or professional technicians, requiring standard suspension tools. No cutting, drilling, or modifications are necessary, and the springs are compatible with your vehicle’s existing suspension components. Proper installation ensures optimal ride height, handling, and safety.

• Direct replacement for factory springs on 2004-2010 BMW X3 models.
• No special tools or modifications required.
• Designed for easy installation with standard suspension service procedures.

What's Included

• Pair of OE replacement coil springs (front or rear, depending on application)
• Installation hardware (if applicable)
• Instruction manual (if included)

Ideal For

• Owners seeking to restore their BMW X3’s original ride quality and handling
• Vehicles with worn or sagging factory springs
• Enthusiasts performing suspension repairs or restorations
• Daily drivers requiring reliable OE replacement parts