Made the jump from RaceChip to JB4

[Terry@BMS]

Disconnecting battery won't help, no need. It learns during full and heavy throttle runs.

 

[Regs120]

From what I read on the other thread, the tune is the culprit because you can't control the wastegate? Does the Jb4 adapt correctly though or do I have to manually adjust it? When should I raise the white flag?

A "little" wastegate problem can become a big issue if it constantly over pressurizes the turbo.

 

[Terry@BMS]

WGDC oscillation is caused by not enough or too much wastegate dutycycle and the PID oscillating due to its internal logic. The JB4 does not adapt for or control the wastegates directly. The ECU controls them. During oscillation nothing is being "over pressurized" and other than being annoying oscillation won't harm anything. As I said it will work itself out over time during full throttle pulls.

 

[Regs120]

So that looks like the correct way of installing it -

This is mine on the passenger side:



That plastic elbow does not look it suppose to there and should go directly to the rubber plumbing. Could this be part of the problem as well? Does it make a difference?

 

[StungBlueGT2]

So that looks like the correct way of installing it -

This is mine on the passenger side:

View attachment 24962

That plastic elbow does not look it suppose to there and should go directly to the rubber plumbing. Could this be part of the problem as well? Does it make a difference?

I would have to look at my intakes again to be sure, but if I remember correctly there are two parts to the OEM rubber tubing. I believe you should be able to remove just the top rubber "bend" and then connect the BMS tubing to the lower rubber tubing. I hope I'm right and that helps, if not Terry will have to give you more instructions.

 

[Terry@BMS]

Yes the upper elbows are both deleted so it looks like our installed photo... Easy fix go get dirty.

 

[mhal8876]

Ordered the BMS pedal tuner

@Terry@BMS

Installed today and loving this BMS Pedal Tuner