But the OP has a facelift X5, not a pre-facelift X5.

The Facelift X5 has a bulb for the DRL's, which is the same bulb for the brights when you push the blinker stalk towards the rear of the car. There is one bulb for the angel eyes, so two bulbs for both sides. The reason why the upgrade LED kits are soo expensive is that they usually feature a high-powered LED and a resistor/circuitry so you will not get a bulb-out warning. As far as I know, there really isn't much in the way of wire modification to do this. I do remember someone soldering their angel eye wires to the LCM (Light control Module) but it toasted the LCM and they had to get a new one.

The best thing to do is to upgrade the AE bulbs and get some programming. It must be done with a GT1 computer, which is hard to come by, since it's a $10k machine. You can also just get your side lights (blinkers) turned off, so the 1st position of the light switch will just be angel eyes (basically Euro mode). This can also be done with GT1.

Here's the GT1 screenshot. What's circled must be unchecked to turn off the signal indicators (but they still work as blinkers)

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