Fitment:For BMW 120d 320d 420d 520d GT X1 X3 xDrive20d 135kW 11658519475 OE Number:49335-00600， 49335-00601， 49335-00610， 49335-00611， 49335-00620， 49335-00621， 49335-00630， 49335-00631， 49335-00635， Feature: Stage 1 Performance Upgrade: Provides a noticeable increase in power and torque without requiring additional supporting modifications. Perfect for mild performance tuning or restoring lost performance in aging turbo systems. Note: For maximum performance, the chip tune is required for higher air inflow. Ready to Install: Supplied as a fully assembled, VSR-balanced CHRA (Core Assembly) complete with a seal kit for an effortless, plug-and-play replacement. Simply transfer your existing housings and enjoy upgraded performance immediately.
