<div layer1="text-s"></div><div class="tz-paragraph">首保之后感觉车子动力明显变差了，问了4s店给我换的是5w-30的机油，我想问下三系到底应该用5w-30还是0w-30还是0w-40？</div><div layer1="text-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g3/M05/F4/2D/userphotos/2019/08/26/20/500_ChsEkV1jycOAXHQyAAIQqai5Eno102.jpg" style="height:600;width:450"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g3/M09/EB/5E/userphotos/2019/08/26/20/500_ChcCRV1jycaAd0XQAAG8hzX7cX8806.jpg" style="height:800;width:450"  /></div><div layer1="img-e"></div><br />

三系到底应该用什么机油？