I just installed these exact same lights on my black 2002 4.6is, plug and play,took less than 45 minutes to install. I think you're mistaken about the turn signals, you reuse the old orange bulb, the turn signal is not LED.

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2002 X5 4.6is
1999 C5 Corvette
1992 Mitsubishi 3000GT VR-4
1994 Kawasaki ZX-9R
2005 Mazda 6 Wagon (Wife's)
1991 Mitsubishi 3000GT VR-4