Turbosmart Kompact EM BOV VR9 Dual Port FrankenTurbo or simply want that aggressive

or simply want that aggressive turbo whistle from a proper intake

You'll notice sharper boost retention at part-throttle and cleaner transitions between gears

we recommend an upgraded wastegate to handle the increased boost pressure reliably

consider an upgraded wastegate to handle the increased flow

1025 with photos of where you are in the process

Turbosmart Kompact EM BOV VR9 Dual Port FrankenTurbo or simply want that aggressiveStock diverter valves leak under pressure and respond like molasses when you need instant boost retention. The Turbosmart Kompact EM BOV VR9 Dual Port delivers pressure relief that's 57 times faster than your eye can blink, giving you the throttle response your BMW's turbo was designed to deliver. Performance Gains Expect immediate improvements in throttle response, especially during rapid gear changes where stock diverter valves create lag between