Air & turbo
Дроссельный узел
Uses a movable plate to regulate an intake passage.
Ищите: Круглый канал, дроссельная заслонка и внешний механический привод.
In the air path before the intake manifold.
An actuator turns the plate according to controller commands; its role differs with valve-lift control.
A controllable door in an air tunnel.
A sticking plate, air leak or electrical fault can cause poor response or an engine warning.
Filters follow the vehicle service schedule; ducts and boost hardware are inspected for condition, sealing and operation.
A hose or filter is generally simpler to service than a turbo assembly. Access and diagnosis can dominate cost.
BMW engines with Valvetronic can still have a throttle body for specific operating functions.
BMW combustion models; boost hardware applies to turbocharged engines only.
Та же система