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Glad I came back to this thread I started. Good info. The LUX LEDs look good. But is the other solution LED? Why would you need a ballast to run LEDs? That's why I thought they were HID. HIDs yellowing rings? I believe it. Has anyone simply checked out the bulbs in the new non-M3 cars? What is the OEM solution and can it be added to the M3? This is becoming an interesting thread.
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