<div layer1="text-s"></div><div class="tz-paragraph">20款B48B20D高功率发动机，</div><div layer1="text-e"></div><br /><div layer1="text-s"></div><div class="tz-paragraph">今天2万多一点点公里数换火花塞，发现1-2缸火花塞有机油油渍，之前看过大多数的车主都在反映这个问题已经习惯了，没想到用内窥镜发现缸内积碳如此严重，还经常拉高速~<br />朋友的同款同年份的发动机325i，2万公里更换火花塞的时候1-2缸没有任何机油油渍，积碳几乎没有，很少拉高速，市区上下班用。<br />无奈无奈，开开换B58吧~唉<img src="https://z.autoimg.cn/creator/packages/emoji/smiley/25.gif" class="spic" /><img src="https://z.autoimg.cn/creator/packages/emoji/smiley/25.gif" class="spic" /></div><div layer1="text-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g29/M0B/BD/7D/userphotos/2022/01/09/01/500_ChwFk2HZxDmAa0PwAAYEiq47EnU782.jpg" style="height:2436px;width:1125px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g29/M08/BD/7D/userphotos/2022/01/09/01/500_ChwFk2HZxDyAQ6B9AAe7NlVhRPk544.jpg" style="height:1500px;width:1124px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g29/M03/BD/7D/userphotos/2022/01/09/01/500_ChwFk2HZxD-AKRreAAeJtb-YlUc466.jpg" style="height:1500px;width:1124px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g29/M02/BD/7D/userphotos/2022/01/09/01/500_ChwFk2HZxEKACr57AAe_ioPB_u0161.jpg" style="height:1500px;width:1124px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g29/M09/AB/91/userphotos/2022/01/09/01/500_Chxkm2HZxEKARWadAAdAgjc5Z-A089.jpg" style="height:1500px;width:1124px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g29/M02/BD/7E/userphotos/2022/01/09/01/500_ChwFk2HZxEWALyvzAAeMmbWSAKk671.jpg" style="height:1500px;width:1124px"  /></div><div layer1="img-e"></div><br />

20款B48B20D高功率积碳严重