You need resistors in parrellel. The lower the resistence the less it triggers the warning -sometimes 1000ohm is enough, I run 80R.
Also current draw must exceed 0.25A (there abouts, I forgot the exact) which is 3W.
If these two conditions are not met, bulb warning is trigged.
The ebay ones, some do not have resistors in parrallel, and some do not draw enough power.