F97 X3 M / F98 X4 M Dinan Performance Spring Set Add Supplemental Ride Quality & Handling Kit?:No 4 Series F33 428iX Convertible

4 Series F33 428iX Convertible (N26)

5 psi-a : 425lph

High-Performance Auxiliary Radiator (CSF #8179)

you probably have a button you've never used before

The Race Port is famous for being an amazingly small and light BOV for turbocharged (replace with supercharged for the supercharger version) competition level engines

F97 X3 M / F98 X4 M Dinan Performance Spring Set Add Supplemental Ride Quality & Handling Kit?:No 4 Series F33 428iX ConvertibleSuspension systems that not only transform the stance of the vehicle but also maintain ride quality and improve upon handling are what Dinan suspensions are known for. This is accomplished by pairing springs sets with bump stops spring perches or both to maintain suspension travel resulting in a smooth ride while also improving mechanical grip and handling. This is what makes Dinan suspension systems unique. While we are able to sell each component