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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > JB3 Solenoid Bypass



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      09-29-2010, 09:40 PM   #1
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JB3 Solenoid Bypass

While I had my JB+ I broke off a nipple while doing the bypass and I have taken the JB+ off since then and now have a JB3. I obviously still have the bypass on because I'm unable to hook it back up normally. What exactly do they do and doesn't the JB3 Bypass it anyways so does it even matter? I haven't thrown any codes just don't want to hurt anything in my engine and the piece is expensive plus the labor.
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      09-30-2010, 12:42 AM   #2
Jonny550
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All that i know is that terry wants you to switch it back to stock when you upgrade, Iam shooting in the dark but i would guess becuase the Jb3 controls it in a different way then the jb2-jb+.
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      09-30-2010, 08:46 AM   #3
Mike@N54Tuning.com
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Quote:
Originally Posted by goblue8 View Post
While I had my JB+ I broke off a nipple while doing the bypass and I have taken the JB+ off since then and now have a JB3. I obviously still have the bypass on because I'm unable to hook it back up normally. What exactly do they do and doesn't the JB3 Bypass it anyways so does it even matter? I haven't thrown any codes just don't want to hurt anything in my engine and the piece is expensive plus the labor.
With the JB3 you must fix it or you'll have really sloppy boost control and codes eventually. It controls both solenoids electronically so both must be fully functional.

Mike
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      10-29-2010, 08:43 PM   #4
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where can we order or how can we fix the nipple of the solenoid? i also broke mine.. and upgrading to jb3!
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