Billfitz, than you so much for your help. I coded and the warnings went away. The new lights work great.
Let me ask you one more related question. The low beam replacements I have have resistors. I'm contemplating changing the high beams too.
You said
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Beside that, resistors burn current, which puts an unnecessary load on the wiring
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Does this mean, with the coding, I don't even need the resistors/allegedly BMW plug-n-play version? IOW does setting the bulb type to LED and deactivating the warm and cold checks solve the flashing and error problems all by themselves? Are there any other reasons for using the resistors?