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      03-06-2017, 09:56 AM   #33
bichoo
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Drives: BMW X5 40i M-Sport
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Quote:
Originally Posted by DBU View Post
I believe I have isolated the issue where the fog lights turn off the NGHB and Auto HB.

- If I turn on the fog lights BEFORE activating the Auto HB, everything works; fog lights and NGHB can coexist .
- However, if I activate the Auto HB first, then turn on the fog lights, the Auto HB and thus NGHB turns off, i.e. Fogs and Auto HB can not coexist.

In summary it appears the sequence with which you activate the lights, makes a difference. This would explain why we are experiencing different behaviour.
Great Finding!
I will test this out tonight. In my case, the Auto HB always works regardless of the sequence when fogs are turned on. What does not work is NGHB with fogs on. But I always turn on fogs after the Auto HB so I will test what happens when fogs are turned on first then the Auto HB. I'll report my findings as well.
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