Bilstein B4 13-14 BMW 335xi / 320xi / 328xi / 428xi Front Left Twintube Strut Assembly Fuel Delivery>Fuel Systems Its auxiliary air inlet can

Its auxiliary air inlet can be used to bring in additional air

AWE has engineered an electronic solution to simulate both AFM and NPP valves

The intersection of performance and sophistication

tuned and dyno-tested to fit specific vehicle models

Add aggressive styling

Bilstein B4 13-14 BMW 335xi / 320xi / 328xi / 428xi Front Left Twintube Strut Assembly Fuel Delivery>Fuel Systems Its auxiliary air inlet canBMW 320i xDrive 2018 2013; 328d xDrive 2018 2014; 328i GT xDrive 2016 2014; 328i xDrive 2016 2013; 330i GT xDrive 2019 2017; 330i xDrive 2019 2017; 335i GT xDrive 2016 2014; 335i xDrive 2015 2013; 340i GT xDrive 2019 2017; 340i xDrive 2018 2016; 428i xDrive 2016 2014; 428i xDrive Gran Coupe 2016 2015; 430i xDrive 2019 2017; 430i xDrive Gran Coupe 2019 2017; 435i xDrive 2016 2014; 435i xDrive Gran Coupe 2016 2015; 440i xDrive 2019 2017; 440i xDrive