The automotive parts for BMW e30 consist of an AFR (air fuel ratio) air flow meter designed for the fuel injection system of the m20 engine. This component plays a crucial role in measuring and regulating the amount of air entering the engine to ensure optimal fuel combustion and performance. Specifically tailored for the BMW e30 model, these parts are essential for maintaining the efficiency and functionality of the fuel system, enhancing overall driving experience and engine performance. normal oxidation and wear marks---came off running motor with normal idle