BMW E46 Z4 E53等 轉向角傳感器修復 - BMW
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By Jacob
at 2023-07-12T01:11
at 2023-07-12T01:11
Table of Contents
此種轉向角傳感器被廣泛用於許多BMW車中
主要是車身穩定系統DSC電腦在計算時需要知道方向盤角度
如果錯誤的話DSC系統就會關閉跳故障碼
一般都是換殺肉件
其原理是像可變電阻一樣,利用兩組電刷與電阻來計算出方向盤角度
http://i.imgur.com/jg8ZZvn.jpg
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造成故障的原因九成都是裡面的電刷磨損
換了舊的壽命也不長
最根本修復辦法就是更新電刷
但ebay上的修復套件都要超過一千五
前陣子維修E60時發現他的轉向角感應器電刷類似
而且從對岸入手一組兩個只要一百多台幣
http://i.imgur.com/Ep8ooiE.jpg
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粗淺查詢有使用的車種
3' E46 (04/1997 — 12/2018)
5' E39 (02/1995 — 12/2003)
7' E38 (11/1993 — 07/2001)
X3 E83 (01/2003 — 07/2006)
X3 E83 LCI (02/2006 — 08/2010)
X5 E53 (10/1998 — 09/2006)
Z3 E36 (04/1996 — 06/2002)
Z8 E52 (12/1998 — 07/2003)
MINI R50 (09/2000 — 11/2006)
MINI R53 (09/2000 — 11/2006)
MINI Cabrio R52 (11/2002 — 07/2008
Z4 E85
Z4 E86
轉向角感應器所在位置為16號
http://i.imgur.com/N5CXcOT.jpg
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從神人50skid影片可以知道一般程序非常麻煩
需要先下下加強版,拆槍管,上推之後把整個零件拆下來
https://youtu.be/Ci6lrAUU7ms
但搜尋後在網路上找到有人的Z4想出方法直接拆解下推
就可以接觸到電刷
http://i.imgur.com/JHjiiKB.jpg
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於是套用50skid與Z4的方法修復成功
前面過程都與50skid一樣
下面有兩個卡準,卡準內推後就可以將傳感器下滑 用T6螺絲頭轉開四個螺絲
最上面最麻煩,要用力下拉槍管喬角度
http://i.imgur.com/6TFLcIO.jpg
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拆完螺絲即可輕鬆分解,發動轉一下方向盤讓電刷盤處於可以處理的位置,可以看到上面電刷磨損了
http://i.imgur.com/gcuyYlQ.jpg
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用美工刀跟挖出舊的電刷
美工刀比較好用 確認完全挖出
然後用電子接點清潔劑噴內側的電阻擦乾淨
(電刷裝上後貼著的那面
http://i.imgur.com/xDY2WWK.jpg
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裝上新電刷,由於電刷盤是跟著方向盤槍管動的,可以發動轉方向盤調角度再熄火
電刷建議買兩組,中間有可能沒裝好會損壞
原本是平的,我有稍微凹個角度
這一步不好處理,固定進去喬到不鬆動要一陣子
http://i.imgur.com/VJMUux5.jpg
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裝回感測器並鎖上螺絲上推,最上面螺絲難鎖我就不管了,不影響
裝上車接上OBD電腦或是用INPA消除故障碼後看傳感器角度是否有跟著方向盤轉動變更數據
將車子方向盤對準正前方,使用電腦或INPA將角度校正歸零,否則之後會跳故障碼顯示角度不可信
http://i.imgur.com/cyMdETU.jpg
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裝回所有零件,完成
當然也可以拆槍管把傳感器拆開來翻新,或是買殺肉翻新再裝上去也行,這樣比較好拆裝電刷
但我分享的這應該是最方便的偷吃步了
希望能幫助到BMW車友
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