AST Lowering Springs for BMW Z4 (E89)
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Description
Aggressive Stance. Enhanced Dynamics.
Transform your vehicle’s profile and performance with AST Lowering Springs. Engineered for drivers who demand a more aggressive aesthetic without sacrificing ride quality, these springs provide a significant reduction in ride height while working in perfect harmony with your factory dampers.
By lowering the centre of gravity, AST springs reduce body roll during cornering and nose-dive under heavy braking, resulting in a more stable and communicative driving experience. Developed through decades of motorsport expertise, each spring is cold-wound to prevent sagging over time and is designed to integrate seamlessly with modern electronic suspension systems.
Key Features
- Optimised Centre of Gravity: Lowers the vehicle to improve both visual appeal and high-speed stability.
- Superior Handling: Progressively wound rates ensure sharper steering response and reduced body roll.
- OEM Integration: Specifically engineered to function with factory dampers and electronic suspension modes.
- Premium Manufacturing: 100% Made in the Netherlands using high-tensile chrome-silicon steel.
- Durability Guaranteed: Finished in a signature powder coating for maximum corrosion resistance and backed by a lifetime warranty against breakage.
Specifications
- Material: Cold-wound High-Tensile Steel
- Finish: Corrosion-resistant Powder Coat
- Design: Vehicle-specific progressive rates
- Origin: Made in the Netherlands
What's In The Box?
- 2x Front AST Lowering Springs
- 2x Rear AST Lowering Springs
- Installation Documentation
Vehicle Fitment
- BMW Z4 (E89) (Contact for exact years)
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Professional installation and a comprehensive wheel alignment are highly recommended after fitting to ensure optimal tyre wear and handling performance.
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.