新BMW 4系一眼便能给人留下深刻印象，无论是Gran Coupe四门版、双门版或者敞篷版车型，其动感和美感的完美融合，彰显出自然优雅的风范。每一处细节，每一个线条，无不彰显特性魅力，而从侧面看时，尤为显著动人。加长的车顶弧线，完美的跑车轮廓看起来更为精简，更加高雅，也更富美感。再加上一套高性能排气就完美了，开启阀门，声浪好听，充满激情，关闭阀门，低调安静，能够从主观上提供一定的运动感，接下来，就带大家一起欣赏一台宝马4系的改装案列，让你真正感受到完美的排气声浪！

The new BMW 4 series can leave a deep impression at a glance. Whether it's the Gran coupe four door model, two door model or open model, the perfect combination of dynamic and aesthetic feeling shows the natural and elegant style. Every detail, every line, all highlight the charm of the characteristics, especially from the side. The longer roof arc, the perfect sports car contour looks more concise, more elegant, and more aesthetic. In addition, a set of high-performance exhaust will be perfect. Open the valve, sound good, full of passion, close the valve, low-key and quiet, can provide a certain sense of movement subjectively. Next, let's enjoy a BMW 4 series refitting case, let you really feel the perfect exhaust sound!之所以选择VE：Velocita采用不锈钢(SS304)，秉承精细优质的特点，无论从焊点还是到切割，VE团队把每一个细节都做到淋漓尽致。减轻整车重量，提升动力增强声浪，原厂安装位无损安装，原厂协议控制阀门开关，触动原厂排气按钮 阀门全开状态.The VE: velocita is made of stainless steel (SS304) and adheres to the characteristics of fine and high quality. No matter from welding or cutting, the ve team makes every detail incisively and vividly. Reduce the weight of the whole vehicle, enhance the power and enhance the sound wave. The original factory's installation position is installed without damage. The original factory's agreement controls the valve switch and touches the original factory's exhaust button valve in full open state