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Originally Posted by Grovsnus
Sure - but you won't know what the codes you clear are, without documentation that goes beyond the N55 codes.
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I suppose it's technically possible, but not really in practice since there are no new modules in the X1 that aren't used in other BMW's. I've used INPA to get a complete readout. And 99.9% of codes (even EGS codes and such) are found in the attached document.
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Yes, that'll work, as long as you can quickly reproduce the problem/code. Thus the "that comes and goes" in my example.
To summarize as answer to the question that was asked:
Potential downsides to installing the BurgerTuning JB4 kit include:
- You may lose warranty / free service. This depends on your dealer and/or whether you are willing to hide your tuning.
- Before service, you should remove the tuning kit. This isn't just for hiding that you've been using one, but because the mechanic is unlikely to know what effect the tuning kit has on the OBD-2 output.
- For the same reason, and/or to hide your tuning, you might want to clear the codes that might have been thrown before taking it in.
- If you clear all codes through the JB4, you also clear those not related to the tuning. If you want the service rep to take a look at them, you need to be able to reproduce the codes.
Looks correct?
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Only thing I'd change is that I've never heard of them denying free service. But they certainly can deny warranty claims.