AST 07/2020- BMW 4 Lowering Springs - 40mm/40mm R8 Spyder [2010-2015] The stock E46 intake duct

The stock E46 intake duct is utilized to provide cool airflow to the high-flow Mishimoto oiled air filter

5" carbon fiber with black anodized center tips provide a custom appearance

Typically 37 tires will cause steering and brake issues on the factory Ford steering knuckles

or a split and then dial in final adjustments with the factory cams

AST 07/2020- BMW 4 Lowering Springs - 40mm/40mm R8 Spyder [2010-2015] The stock E46 intake ductThe 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