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      09-06-2022, 10:08 AM   #2
jrveron
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Drives: 2023 X3 m40i
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Quote:
Originally Posted by bluemagnet View Post
If any line becomes brittle or fail that connects w/ the fuel tank breather valve which one (or two or three or four) line would you replace?
Hi bluemagnet,

Quick question, how do you know you have a problem with one of those lines? Usually, it fails the sensor itself (number 1 on your picture).

As a general rule, I would start inspecting the more accessible lines first. But, considering you just changed the IC, perhaps you should focus on the one that goes to the fuel tank (numbers 3,6,7 on your picture).
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