m5james that is a great site, thanks for the heads up! So I'm assuming I should order the DDM HID Slim Ballast kit in 35watt with the Error Eliminator. Is the Error Eliminator really needed, and do I need to install the upgraded harness? I'm really hoping I can just get by with plug-and-play.

Edit: Also I'm reading some old posts and some people who have the DDM kits are recommending HIDNY and XenonDepot. Anyone with those kits care to comment, and also do I spring for the slim ballasts?

Thanks,
-Cyrus

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2002 BMW X5 4.4i