The AST Adjustable Lowering Springs let you fine-tune your ride height even after installation, offering unmatched flexibility. These vehicle-specific springs lower your car’s center of gravity while keeping the comfort of OEM springs. Crafted from premium materials on advanced Wafios coiling machines, their progressive design balances a lowered stance with improved performance. Designed as a direct OEM replacement and made in the Netherlands, these springs deliver precision, quality, and the perfect mix of comfort and performance.

Fitment: 2015 BMW M3/M4 (F8X / F80 / F82 / F83). Manufacturer: AST. Part #: ASTALS-21-001.