DIY4孔噴油嘴升級12孔噴油嘴 - 保養

By Jacky
at 2023-05-02T21:27
at 2023-05-02T21:27
Table of Contents
車種 BMW E46
引擎 汽油 N42 4缸
先說結論:感覺差別不大
原廠的噴油嘴為四孔
http://i.imgur.com/S6UQ0vg.jpg

剛好從車友那邊耳聞網路上有改裝社團賣12孔的
一隻要賣三千多
於是找了一下淘寶
全新一隻只要500左右(台幣)
如果是二手拆下的只要兩百多
於是買了四隻二手拆車的來玩玩
http://i.imgur.com/9TXqDXS.jpg

http://i.imgur.com/d9lq0MG.jpg

http://i.imgur.com/U7ImTA0.jpg

因為型號不同需要轉接接口,皆附贈轉接頭及全新O環
首先可以找賓士噴油嘴清潔那篇,用一樣的方法清潔拆車噴油嘴,有清出少許髒污,但整體
接下來就是拆下噴油嘴油路 很簡單
先拆下手套箱內54號汽油泵浦保險絲
拆下進氣歧管上方護蓋,固定住噴油管路的螺絲拆起來後 就可以把整條往上提起來了
O環改成另外購入的綠色Viton環確保壽命,以後不用再拆一次
裝入前上下方O環要先用矽油潤滑
http://i.imgur.com/tbKw2HZ.jpg

因為轉接頭有佔多餘空間
所以把旁邊的輔助支架廢掉了
不會有影響
http://i.imgur.com/UfYkSBF.jpg

http://i.imgur.com/XH7fD8y.jpg

拆下的噴油嘴
http://i.imgur.com/hik29Du.jpg

接下來汽油泵浦保險絲裝上後發動
確認可發動沒misfire後裝回剩餘零件
體感:好像沒啥差別
油耗:車上電腦的數字好像有提升,但不知道是不是符合真實數據,有可能噴出量跟原本型
總之就當做中長程保養升級
謝謝觀賞
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