AST 04/2009-01/2018 BMW Z4 Lowering Springs - 30mm/25mm - ASTASTLS-14-473

Frequently Asked Questions

Who makes AST springs?

AST springs are manufactured by AST, a brand dedicated to enhancing vehicle performance and aesthetics. These specific lowering springs are designed for the BMW Z4 E89 models from 04/2009 to 01/2018, including the 18i, 20i, 23i, 28i, and 30i variants. They are engineered for superior quality and performance.

Is AST suspension good for street performance?

AST springs significantly enhance street performance with a usage score of 8 out of 10. They transform your Z4 E89 into a sharper, more responsive driving machine by lowering its center of gravity for improved cornering stability. This upgrade delivers a truly connected road feel for spirited driving.

Which brand is best for lowering springs?

For optimizing the driving dynamics and aesthetic of your Z4 E89, AST Lowering Springs are an excellent choice. They are specifically engineered for the 04/2009-01/2018 E89 models (18i/20i/23i/28i/30i), offering improved cornering stability and a sportier stance. Their design provides a more connected road feel.

How difficult is it to install AST Lowering Springs?

Professional installation is recommended for AST Lowering Springs to ensure proper fitment and optimal performance. Confirming with a qualified technician guarantees the correct setup, allowing you to experience the enhanced driving dynamics and sportier stance they provide. This ensures a safe and effective upgrade.