Evolve Shock Absorbers - BMW 4 Series F32 | F33 430d F91 Engineered for direct integration with

Engineered for direct integration with the original factory audio system

The resulting system has the capability of flowing 840 CFM at 28″ H2O while keeping intake temperatures at a minimum with the sealed design

Kit includes:• Airbox• Certificate of authenticity

It incorporates a catalytic converter (200 cpsi) which is ECE-compliant

Additional 115 hp on a stock vehicle

Evolve Shock Absorbers - BMW 4 Series F32 | F33 430d F91 Engineered for direct integration withWe have developed these dampers in conjunction with Bilstein UK. We worked with Bilstein on the valving to provide more control, whilst improving the handling characteristics. These dampers can be used with either OEM springs or any lowering springs on the market. If you want just comfort handling, you can just install the dampers. If you want improved comfort sportier handling and improved aesthetics, install the dampers with some aftermarket