KW Street Comfort Coilover Kit - 2014-2018 BMW 4 Series 435i/440i (w/ EDC) AWD YMM_1996_2004_Mercedes_Benz_SLK_Class_AMG_R170 Supports the vehicle’s existing performance

Supports the vehicle’s existing performance and reliability standards

No special modifications or adjustments are necessary

Bilstein B3 OE Replacement (Air) Suspension Air Bags for the 2000-2006 BMW X5 are designed to replace the original suspension air bags on select European brand vehicles

H&R Sport Springs are engineered with high-quality steel to ensure durability and consistent performance

Constructed from high-grade carbon fiber with a high-gloss finish

KW Street Comfort Coilover Kit - 2014-2018 BMW 4 Series 435i/440i (w/ EDC) AWD YMM_1996_2004_Mercedes_Benz_SLK_Class_AMG_R170 Supports the vehicle’s existing performanceIf your original suspension for the 2014 2018 BMW 4 Series 435i 440i AWD is too hard for your everyday life, or dislike the comfort of your installed aftermarket suspension kit, then the KW Street Comfort Sport Suspension Kit is the perfect solution for better driving comfort. It combines a minimal lowering that's within the vehicle specific adjustment range of 10 to 40 mm with a comfort oriented damper setup developed by KW test engineers from