The BorgWarner turbocharger shown in the image, with the part number show contact info
, belongs to the B03G series and is known for its application in performance-oriented vehicles, particularly certain BMW models equipped with the N55 3.0L engine, such as the 335i, 435i, 535i, M235i, X3, X5, X4, and M2, as well as some Mercedes-Benz and Audi models.
Key Characteristics and Features:
OEM Quality: This turbocharger is often supplied by BorgWarner as original equipment (OE) to vehicle manufacturers like BMW, ensuring it meets strict factory specifications for fitment and performance.
Twin-Scroll Design: It likely incorporates BorgWarner's twin-scroll technology, which separates the exhaust gas pulses from different cylinder groups to maximize energy recovery, minimize back pressure, and enhance responsiveness, especially at lower engine speeds.
High-Temperature Resistance: Designed for modern, high-performance engines, it utilizes sophisticated steel alloys and casting technologies to withstand high exhaust gas temperatures (up to 1050°C), promoting efficient combustion and lower emissions.
Components: Like other BorgWarner turbos, it features core components such as a robust compressor wheel (often with extended tip technology for improved airflow and efficiency), a durable turbine wheel, and typically twin hydrodynamic journal bearings for longevity.
Performance Enhancement: By efficiently compressing intake air, the turbocharger increases the engine's power output and torque, allowing a smaller displacement engine to achieve performance comparable to larger, naturally aspirated engines, potentially with improved fuel efficiency under certain driving conditions.
Actuation: Depending on the specific variant, it may include a pneumatic or electronic wastegate actuator to precisely control boost pressure and prevent over-boosting the engine.