Anyone running the JB4

ExVTEC

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There are a few threads on this. I had it and it was great. Plug in and go, simple.
 

ExVTEC

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I got the jb4 for 2 reasons. I had one in my previous car, jetta and no down time. My car is my daily driver so I can't have any down time. A few months later hondata had an event near me so I jumped on the opportunity. If it weren't for that I'd still be running the jb4. Both experiences with the jb4 have been great.

Had? Why had? Why did you remove and what did you go to
 


Kekela98a

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Had it on my 2015 BMW 335i and 2018 Audi s5 sport back without an issue? The only annoying thing was the random codes on the Audi which was more of a bug
 
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Gotch

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Sensor misinformation is NEVER a replacement for a proper tune. A cheap ass way of getting a tiny bit of improvement. But by all means go for it if you need to cheap out.
 

ExVTEC

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An affordable alternative is cheaping out? These systems are reliable and have all of the factory safety limits. I've used these for years with zero issues and decent performance gains.

Sensor misinformation is NEVER a replacement for a proper tune. A cheap ass way of getting a tiny bit of improvement. But by all means go for it if you need to cheap out.
 


Micah

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Jb4 and other burger tuning products are piggybacks. I had their device for mini cooper and had problems with coils frying and the ecu getting damaged. Never again.
 

KTuner

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Ah yes because no one has ever blown up using k tuner :rolleyes:
With the included tunes and general modifications? Please link me, as it would be news. We want to know every point of failure to continue to progress.
 

ExVTEC

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Exactly my point. People make general statements bashing a product with no prior experience. Op is asking if anyone is running jb4. I'd like to clarify I should have said tuner in general. No beef with you guys.

With the included tunes and general modifications? Please link me, as it would be news. We want to know every point of failure to continue to progress.
 
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Zcfc3dc5

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I don’t think you know what you’re talking about. I’ve had 3 JB4s and not one issue.

In the Bmw world burger tuning has a great reputation as well
Go talk to any reputable tuner and ask them about running a box of resistors as compared to actually tuning with an ecu tuner and then get back to me.
 

Zcfc3dc5

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Ah yes because no one has ever blown up using a tuner :rolleyes:
You are missing the point. “Tuning” your car by tricking sensors is pointless when you can actually tune your ecu. It isn’t 2003, we don’t have to use shitty piggybacks anymore.
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