Thread: HID's worth it? Hi/low/fog necessary? Good brands, with good prices?

Originally Posted by chamilton89

What is the upgrade harness? And are you talking about duals being two sets or just high/low bulbs?

duals are HID Hi and Low beams vs just HID low and halogen Hi.

the upgraded harness has a relay so you can connect to the battery and not fry the stock wiring or not have the lights come on, or "blink"

link: HID Kit Wiring Harness: HID Kits, BMW Aftermarket Bumpers & Lighting, DEPO - DDM Tuning