Bilstein B12 (Sportline) Suspension Kit

2017–2018 BMW 330i

Part #: 46-226617

Overview

The Bilstein B12 (Sportline) Suspension Kit for the 2017-2018 BMW 330i is a high-performance upgrade designed to enhance your vehicle's handling, aesthetics, and overall driving experience. This complete suspension package combines Bilstein's renowned damping technology with Eibach's Sportline springs, delivering a lowered stance and improved responsiveness that enthusiasts demand. Whether you're looking to improve cornering, reduce body roll, or achieve a sleek, aggressive look, this kit provides a balanced blend of performance and style.

Engineered for drivers who want a sportier feel without sacrificing ride quality, the B12 Sportline kit is ideal for spirited street driving, autocross, or simply elevating your BMW's appearance. The carefully tuned dampers and springs work together to provide a fixed height lowering of approximately 30-60mm, giving your 3 Series a more aggressive stance while maintaining excellent handling characteristics. This kit is perfect for those seeking a noticeable upgrade over stock suspension, with a focus on precision and durability.

Key Features

The Bilstein B12 (Sportline) Suspension Kit offers a range of advanced features that set it apart from standard suspension setups:

• Complete set of Bilstein Performance Dampers engineered for optimal handling and ride comfort, featuring monotube gas-pressure technology for consistent damping performance.
• Eibach Sportline springs designed specifically for the 2017-2018 BMW 330i, providing a fixed height lowering of 30-60mm to enhance the vehicle's stance and aerodynamics.
• Precision-tuned damping curves that improve body control during spirited driving and cornering, reducing body roll and improving stability.
• High-quality materials and construction, including corrosion-resistant components and durable coatings, ensuring long-lasting performance in various conditions.
• Enhanced aesthetics with a lowered, aggressive stance that complements the sleek lines of the BMW 3 Series.
• Optimized for street and performance driving, offering a firm yet comfortable ride that responds precisely to driver inputs.
• Designed for easy installation with bolt-on components that utilize factory mounting points, requiring no cutting or major modifications.

Construction & Design

The Bilstein B12 (Sportline) Suspension Kit combines advanced engineering and high-quality materials to deliver superior performance and durability. The dampers feature monotube gas-pressure technology, which provides consistent damping force and improved heat dissipation, ensuring reliable operation even during aggressive driving. The Eibach Sportline springs are crafted from high-tensile steel with a progressive coil design, allowing for a controlled, sporty ride height that enhances handling without compromising comfort.

Both components are meticulously tested and tuned to work seamlessly together, providing a balanced suspension setup that improves vehicle dynamics and aesthetics. The kit's design emphasizes ease of installation, with components that fit precisely and maintain factory alignment specifications, ensuring a hassle-free upgrade process.

Installation & Fitment

The Bilstein B12 (Sportline) Suspension Kit is designed for a straightforward, bolt-on installation process. It utilizes existing factory mounting points and requires no cutting, drilling, or major modifications. Basic tools and alignment are recommended to ensure optimal performance and safety. Due to the precise engineering, the kit maintains factory alignment specifications, minimizing the need for extensive wheel alignment adjustments after installation.

• Complete bolt-on suspension upgrade for the 2017-2018 BMW 330i
• No cutting, drilling, or tuning required
• Professional installation recommended for best results

What's Included

• Bilstein Performance Dampers (struts and shocks)
• Eibach Sportline springs
• All necessary hardware and mounting components
• Installation instructions

Ideal For

• Enthusiasts seeking improved handling and aggressive stance
• Street drivers looking for a balanced, sporty ride
• BMW 3 Series owners wanting a reliable, high-quality suspension upgrade
• Autocross or spirited driving enthusiasts