AST 2004-09/2010 BMW X3 Lowering Springs - 40mm/30mm 2004-bmw-330ci-esi2588069 We add a dust protection

We add a dust protection system to prevent unwanted dirt and particulate from coming in contact with the hardened chrome piston rod or getting into the valve packs

Year Make Model Submodel 2020-2026 BMW M340i Base 2020-2026 BMW M340i xDrive Base 2021-2026 BMW M440i Base 2021-2026 BMW M440i xDrive Base

they are vehicle-specific and crafted with premium materials on top-quality Wafios coiling machines

it’s built for serious racers

rebuildable dampers

AST 2004-09/2010 BMW X3 Lowering Springs - 40mm/30mm 2004-bmw-330ci-esi2588069 We add a dust protectionThe AST Lowering Springs reduce your cars center of gravity while maintaining the comfort of OEM springs. Designed as a direct OEM replacement, they are vehicle specific and crafted with premium materials on top quality Wafios coiling machines. Their progressive design balances a lowered stance with enhanced performance. With compatibility across over 3,000 models from 1966 upwards, these springs suit a wide range of vehicles. Backed by a lifetime