上代宝马车型因采用硬质耐磨的刹车片材质，故有此噪声。无需担心。新款BMW已换为更软的材质，但耐磨寿命下降。

来源: Peacevine 于 2019-03-03 20:28:00 [旧帖] [给我悄悄话] 本文已被阅读：次

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