Turbosmart vIWG (vehicle-specific internal wastegate) actuator for the BMW N20 engine, 6inHg base. An internal wastegate actuator regulates turbine bypass to hold a target boost pressure; a stiffer spring raises base boost and sharpens response. A direct OEM-replacement upgrade for tighter, more consistent boost control on the N20.
| Brand | Turbosmart |
| Type | vIWG actuator |
| Engine | BMW N20 |
| Base pressure | 6 inHg |
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