Bilstein B12 Pro-Kit

2017–2020 Audi A4

Part #: 46-278647

Overview

The Bilstein B12 Pro-Kit is a premium suspension upgrade designed specifically for the Audi A4 models from 2017 to 2020. This complete kit combines high-performance Bilstein dampers with Eibach Pro-Kit springs to deliver a balanced blend of improved handling, aesthetics, and ride comfort. Whether you're looking to enhance your vehicle's stance or achieve more precise driving dynamics, the B12 Pro-Kit offers a reliable solution tailored to your driving needs.

Ideal for enthusiasts who seek a moderate lowering of 24-40mm, this suspension kit not only improves the vehicle's appearance but also enhances overall driving performance. The kit is perfect for daily drivers, spirited street driving, and light performance applications, providing a noticeable upgrade over stock suspension components.

Key Features

The Bilstein B12 Pro-Kit is engineered with advanced technology and high-quality materials to ensure durability and optimal performance. Key features include:

• Complete suspension upgrade pairing Bilstein Performance dampers with Eibach Pro-Kit springs for a harmonious balance of ride quality and handling.
• Moderate lowering between 24-40mm, reducing wheel gap for a more aggressive stance without compromising comfort or clearance.
• Bilstein monotube dampers with digressive piston technology for precise control and improved stability during cornering and spirited driving.
• Eibach Pro-Kit springs crafted from high-tensile steel, providing consistent spring rates and durability for long-lasting performance.
• Designed specifically for the 2017–2020 Audi A4, ensuring perfect fitment and optimal suspension geometry.
• Enhanced aesthetics with a lowered stance that complements the vehicle's lines and improves road handling.
• Manufactured with strict quality standards to ensure reliability and longevity under daily driving conditions.

Construction & Design

The B12 Pro-Kit features a meticulously engineered combination of Bilstein's high-performance dampers and Eibach's proven spring technology. The dampers are constructed with a monotube design, which provides superior heat dissipation and consistent damping performance. The precision-machined piston rods and corrosion-resistant coatings ensure durability and smooth operation over time.

The Eibach Pro-Kit springs are made from high-tensile steel with a progressive spring rate, offering a comfortable ride while maintaining excellent handling characteristics. The springs are CAD-designed and tested to match the dampers perfectly, resulting in a cohesive suspension system that enhances both safety and driving enjoyment.

Installation & Fitment

The B12 Pro-Kit is designed as a direct bolt-on upgrade for the 2017–2020 Audi A4. Installation typically requires basic hand tools and may benefit from professional alignment to ensure optimal suspension geometry. No cutting, drilling, or major modifications are necessary, making it a straightforward upgrade for experienced DIY enthusiasts or professional installers.

• Complete bolt-on installation with OEM mounting points
• No need for additional modifications or tuning
• Includes all necessary hardware and instructions for a hassle-free setup

What's Included

• Bilstein Performance dampers (struts and shocks)
• Eibach Pro-Kit springs
• All necessary hardware and mounting components
• Installation instructions

Ideal For

• Owners seeking a moderate lowering for improved aesthetics and handling
• Daily drivers and spirited street enthusiasts
• Those looking for a reliable, high-quality suspension upgrade from a trusted brand