The 3 series throttle does not need to be matched.

The reason why the 3-series throttle doesn't need to be matched is that it is a universal component and is suitable for many models, not just 3-series models. In order to reduce costs and improve production efficiency, automobile manufacturers usually choose to use general parts, such as throttle. This can reduce the adjustment and replacement work on the production line, simplify the supply chain management and realize the advantages of large-scale production.

In addition, the function of the throttle is mainly to control the intake of the engine and the response speed of the accelerator pedal. It regulates the intake air flow by opening and closing to meet the working requirements of the engine. The design and adjustment of throttle will affect the power output and fuel economy of the engine. Therefore, when designing the engine, automobile manufacturers will choose the appropriate throttle design according to the characteristics and performance requirements of the vehicle model and make corresponding adjustments.

To sum up, the 3-series throttle does not need to be matched, because it is a universal part and is suitable for many models. When designing the engine, automobile manufacturers will choose the appropriate throttle design and adjust it accordingly to meet the characteristics and performance requirements of the vehicle. This can reduce the cost, improve the production efficiency and realize the advantages of large-scale production.