BMW M4 F82 stock vs M4 tuned

[pimpassdaddy]

I've never been one to understand tuning... But now I do. WOW!!! raise:

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[China]

That is one helluva difference!

 

[whiteunderarm]

JB4 makes a huge difference...worth every cent.

 

[Rommies]

huge difference. :clapper:

 

[Xack]

The //M3/M4 we always wantedraise:....With easier tuneable engines I mean

 

[Quick///M]

Great review, huge difference

 

[pimpassdaddy]

What is a JB4 exactly? I'm a total newbie when it comes to tuning... I always see this term on the forum.

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[Ratslaaf]

It's a hardware device that is plugged in between the ECU and the various sensors. It fools the ECU into thinking the sensor data is different than it really is and thus allows more performance out of the various components.

In a nutshell.

 

[pimpassdaddy]

Ahhh thanks. Makes sense now.

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[Xack]

It's a hardware device that is plugged in between the ECU and the various sensors. It fools the ECU into thinking the sensor data is different than it really is and thus allows more performance out of the various components.

In a nutshell.

Piggy back?

 

[Quick///M]

It's a hardware device that is plugged in between the ECU and the various sensors. It fools the ECU into thinking the sensor data is different than it really is and thus allows more performance out of the various components.

In a nutshell.

Piggy back?

Yes its a piggy back however JB4 is a very clever one from what I have read results speak for themselves

 

[Ratslaaf]

Yeah, I suppose I could've just said that :rollsmile:

 

[babyboss]

It's a hardware device that is plugged in between the ECU and the various sensors. It fools the ECU into thinking the sensor data is different than it really is and thus allows more performance out of the various components.

In a nutshell.

Word is bmw C.A.N system will pickup u had a unit installed <>

 

[Ratslaaf]

Heh, it depends. But that is a completely different kettle of fish :rollsmile: