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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > J line leak or something else?



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      05-23-2022, 02:31 PM   #1
Ryanbhx1
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J line leak or something else?

Hello,

Iím looking to replace the j line because it looks like itís leaking but I canít be sure as it looks like the oil is underneath it? Hoping itís not the other turbo oil line thatís a pain to replace. Would appreciate any help cheers

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      05-23-2022, 06:07 PM   #2
335dlci
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Both. Those vacuum lines look beat.
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      05-24-2022, 02:48 PM   #3
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Looks like quite a bit needs attention after looking at that pic.
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      05-25-2022, 04:07 AM   #4
Ryanbhx1
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Yeah Iíll be replacing the vacumm lines aswell. Could I just replace the j hose and not the bottom one for now or would that have no benefit?
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      05-25-2022, 02:32 PM   #5
lnxguy
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You can just replace the top line if that's the one leaking.
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      05-27-2022, 07:46 AM   #6
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I can't stand looking at a bolt like that without wrench marks on it.
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      05-27-2022, 10:44 AM   #7
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i would clean the area of the distribution block and see if the supply line is leaking (that's the pain in the butt one). It sure looks like this one has messed up the area to me. Not how its own screw is very oil and also the further to left screw head and end of low press turbo's oil feedline is yucked up too.

Clean with break cleaner, wipe it off, and see what comes back and where. My bet is the middle screw in your picture. Good luck!
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