Bilstein B12 Pro-Kit Suspension Kit

2011–2025 Audi A4 (All Trims) 2.0L Turbo

Part #: 46-183385

Overview

The Bilstein B12 Pro-Kit suspension kit is designed to enhance your Audi A4's handling, appearance, and overall driving experience. Combining high-performance Bilstein dampers with Eibach Pro-Kit springs, this complete suspension upgrade offers a balanced blend of comfort, control, and aesthetics. Whether you're a daily driver seeking improved ride quality or a spirited enthusiast looking for sharper handling, the B12 Pro-Kit is engineered to meet your needs.

Specifically tuned for the Audi A4 from 2011 to 2025, this kit provides a moderate lowering of approximately 24-40mm, reducing body roll and improving stance without sacrificing ride comfort. The result is a vehicle that looks better, handles more precisely, and maintains excellent road manners, making it ideal for street driving, spirited canyon runs, or light autocross use.

Key Features

The Bilstein B12 Pro-Kit offers a comprehensive suspension upgrade with features designed to optimize your vehicle's performance and durability:

• Complete set of Bilstein Performance dampers engineered for precise handling and durability, featuring monotube design for consistent damping performance.
• Eibach Pro-Kit springs crafted to provide a moderate, uniform lowering of 24-40mm, enhancing the vehicle's stance and reducing body roll during cornering.
• Custom-tuned damping characteristics for each application, ensuring optimal ride quality and handling balance.
• High-quality materials and construction, including corrosion-resistant coatings and TIG-welded components, for long-lasting performance.
• Designed for easy bolt-on installation, utilizing factory mounting points without the need for additional modifications.
• Improved aerodynamics and aesthetics, giving your Audi a more aggressive and refined appearance.
• Enhanced driving confidence with improved stability and reduced squat and dive under acceleration and braking.
• Maintains factory ride comfort levels while providing noticeable improvements in handling dynamics.
• Suitable for street use, spirited driving, and light performance applications.

Construction & Design

The Bilstein B12 Pro-Kit features monotube dampers constructed from high-strength steel and aluminum components, ensuring durability and efficient heat dissipation. The dampers are precisely valved to match the Eibach Pro-Kit springs, delivering a balanced ride that minimizes harshness while maximizing handling response. The springs are made from high-tensile steel with a progressive coil design, providing a smooth ride over uneven surfaces and firm control during aggressive maneuvers.

The entire assembly is engineered with CAD precision, ensuring perfect fitment and alignment. The corrosion-resistant coatings on the dampers and springs protect against rust and environmental damage, extending the lifespan of the suspension components. The kit's design emphasizes ease of installation, with all parts engineered to fit seamlessly into your vehicle's existing mounting points.

Installation & Fitment

The Bilstein B12 Pro-Kit is designed as a direct bolt-on upgrade for the specified Audi A4 models. No cutting, drilling, or complex modifications are required, making it suitable for DIY enthusiasts with basic suspension knowledge or professional installation. The kit includes all necessary hardware and instructions for a straightforward installation process. It is recommended to perform a wheel alignment after installation to ensure optimal handling and tire wear.

• Complete bolt-on suspension upgrade with no need for additional modifications.
• Suitable for street and spirited driving applications.
• Installation typically takes 2-4 hours depending on experience.

What's Included

• Front Bilstein Performance dampers
• Rear Bilstein Performance dampers
• Eibach Pro-Kit springs (front and rear)
• All necessary mounting hardware and instructions

Ideal For

• Owners seeking a balanced upgrade for daily driving and spirited street use
• Enthusiasts wanting improved handling, stance, and aesthetics
• Those looking for a reliable, high-quality suspension solution from trusted brands