AST Lowering Springs | 1998-2003 BMW M5 (ASTLS-14-431) MODEL_E83 Bilstein B16 (PSS9) Suspension Kit

Bilstein B16 (PSS9) Suspension Kit for the 2003-2008 BMW Z4 feature ride height adjustability with 9-stage manually adjustable Dampers in an OE quality

The inlets are intended for in-house installation

Our innovative approach to exhaust design is recognized by our US Patent 11248511 and EU/UK Patent 3882441

Precisely engineered for a perfect fit on E90 and E92 models

High-quality 2x2 weave carbon fiber construction

AST Lowering Springs | 1998-2003 BMW M5 (ASTLS-14-431) MODEL_E83 Bilstein B16 (PSS9) Suspension KitAST Lowering Springs Part #: ASTLS 14 431 Overview The AST Lowering Springs for the 1998 2003 BMW M5 are engineered to improve your vehicles handling dynamics and aesthetic appeal. Designed specifically for this model, these springs help lower the ride height, giving your BMW a more aggressive stance while maintaining a comfortable ride quality. Crafted with precision, they are an ideal upgrade for enthusiasts seeking enhanced cornering response and a