Audi S3 1.8T 20V 1999-2003 TURBOSMART 25mm Uprated Dual Port Dump Valve BOV RS3 Since the heat exchanger sits

Since the heat exchanger sits front and center in the M3 and M4’s cooling stack

AC pressure sensor

Dynamically Balanced (test report given)

normal External wastegates do have exhaust gas which is much hotter

Mishimoto has developed a performance air intake engineered specifically for the 2012+ BMW F22 228i

Audi S3 1.8T 20V 1999-2003 TURBOSMART 25mm Uprated Dual Port Dump Valve BOV RS3 Since the heat exchanger sitsBrand: Turbosmart Part no: TS 0203 1022 Dual outlet type BOV. Dual Port vents both to the atmosphere and back into the air intake. Ports with sequential timing allow quieter operation during normal driving, while getting all the benefits of a vent to atmosphere BOV under race conditions. Easily converted to a full atmospheric or full bypass unit by using supplied port blanking plug. Please note; that for twin turbo applications, such as the Audi S4 2.