付博

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 噪音测试方面，除了怠速时的噪音低于推荐值，其它几个时速区间的噪音值都超过了我们的推荐值，这是在排气阀门关闭状态下测试得到的结果。不过，谁在乎呢？如果X3 M十分的安静，那还有什么意思！

噪音测试方面，除了怠速时的噪音低于推荐值，其它几个时速区间的噪音值都超过了我们的推荐值，这是在排气阀门关闭状态下测试得到的结果。不过，谁在乎呢？如果X3 M十分的安静，那还有什么意思！

整车隔音对抑制噪音表现有所期待