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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications BMW M340i with JB+

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      09-19-2019, 04:00 PM   #1
JayPichardo
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BMW M340i with JB+

A friend of mine installed my old JB+ module on his M340i Xdrive. I am amazed that the same module could be used in 3 different states of tube for the B58. We tried it on a F46 440i, an X3 M40i and in the M40i.


The power gains are noticeable and nowhere near as harsh as it was on the X3 M40i. For $200 you can't beat it.
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      10-05-2019, 10:43 AM   #2
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      10-12-2019, 12:03 AM   #3
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Quote:
Originally Posted by JayPichardo View Post
A friend of mine installed my old JB+ module on his M340i Xdrive. I am amazed that the same module could be used in 3 different states of tube for the B58. We tried it on a F46 440i, an X3 M40i and in the M40i.


The power gains are noticeable and nowhere near as harsh as it was on the X3 M40i. For $200 you can't beat it.
Appreciate the post Jay , i also just recently picked up a M340 and was wondering if the new B58 variant would not play nice with the JB+ .

Is there a noticeable power increase or even exhaust note?
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