these valve spring kits allow BMW

G Series G40 is available in 2 compressor inducer sizes

oil pressure and much more

CP-Carrillo pistons are the best choice for any BMW engine and application

Garrett G-Series G45-1600 Exhaust Housing:T4 - 1.15 A/R these valve spring kits allowGARRETT G45 1600 80MM Horsepower: 750 1600 Displacement: 2. 0L 8. 0L Features G45 1600 compressor aero increases flow up to 16% (compared to GTX4508R) 80mm compressor inducer 109mm compressor exducer Ceramic dual ball bearing with steel cages G Series turbine aero increases flow 14% (compared to GTX45R) Inconel turbine wheel with 89mm inducer flows up to 56 lbs min Lightweight aluminum backplate Fully machined speed sensor and pressure ports Water