AST 5200 Series Coilovers

2006–2008 BMW Z4 M 3.2L

Part #: RIV-B1010SD

Overview

The AST 5200 Series Coilovers are engineered for enthusiasts who demand exceptional handling and precise adjustability from their BMW Z4 M. Designed to elevate your driving experience, these coilovers combine track-ready performance with everyday usability. Whether you're carving corners on the weekend or enjoying spirited drives daily, the 5200 series offers the perfect balance of comfort and control.

Built with the serious driver in mind, these coilovers feature 2-way adjustable damping, allowing you to fine-tune your suspension for optimal performance. The separate rebound and compression adjustments give you the ability to tailor the ride quality and handling characteristics to your specific driving style and conditions. The remote reservoir design ensures consistent damping performance, even under demanding track conditions, helping you push your vehicle to its limits with confidence.

Key Features

The AST 5200 Series Coilovers are packed with advanced features that set them apart from standard suspension upgrades:

• 2-Way Adjustable Damping: Separate rebound and compression adjustments enable precise tuning for various driving scenarios, from street comfort to track performance.
• Remote Reservoir Design: Enhances damping consistency and heat dissipation, ensuring reliable performance during extended spirited driving or track sessions.
• High-Quality Construction: Crafted with durable, lightweight materials, these coilovers are TIG-welded and CNC-machined for superior strength and longevity.
• Adjustable Ride Height: Easily dial in your preferred stance without sacrificing ride quality or handling.
• Performance-Oriented Geometry: Designed to improve handling response, reduce body roll, and support aggressive cornering.
• Compatibility: Specifically engineered for the 2006-2008 BMW Z4 M with a 3.2L engine, ensuring a perfect fit and optimal performance.
• Enhanced Feedback: The adjustable damping provides clear, precise feedback, allowing you to optimize your suspension setup for your driving style.
• Track-Ready Versatility: Suitable for both street use and track days, giving you the flexibility to challenge your vehicle on any road or circuit.

Construction & Design

The AST 5200 Series Coilovers feature a robust, lightweight aluminum body with a high-strength steel piston rod, ensuring durability and resistance to corrosion. The remote reservoir is connected via a high-pressure hose, allowing for increased oil capacity and improved heat dissipation, which maintains damping performance during extended use. The adjustable components are designed with precision CNC-machined parts, providing smooth, reliable adjustments and a perfect fit.

The coilovers utilize a monotube design, which offers superior responsiveness and consistent damping characteristics. The adjustable ride height mechanism is integrated seamlessly, enabling you to customize your stance without compromising suspension travel or handling. Overall, the design emphasizes performance, durability, and ease of use, making these coilovers a top choice for serious drivers seeking to upgrade their BMW Z4 M.

Installation & Fitment

The AST 5200 Series Coilovers are designed as a direct bolt-on upgrade for the 2006-2008 BMW Z4 M. Installation is straightforward for those with basic mechanical skills, as they utilize the factory mounting points and require no cutting or drilling. The adjustable features are user-friendly, allowing you to fine-tune your suspension setup without specialized tools. No additional tuning or alignment is typically necessary, but it is recommended to have a professional alignment after installation to ensure optimal handling and tire wear.

• Bolt-on installation with factory mounting points
• No cutting, drilling, or complex modifications required
• Adjustable ride height and damping for personalized setup

What's Included

• Complete set of front and rear coilovers
• Remote reservoirs with hoses
• Adjustment wrenches and hardware
• Installation instructions

Ideal For

• Performance enthusiasts seeking precise suspension tuning
• Track day drivers aiming for optimal handling
• BMW Z4 M owners who want a versatile coilover system for street and spirited driving
• Drivers looking to improve cornering response and reduce body roll