Ballast appears to be well finished. I've been using it for 6 months now and so far so good. It looks and feels the same as the OEM it replaced, minus the tag on the front. No coding required for installation, just plug and play. No flickering or other notable issues. I just replaced my other ballast with a different one. To be honest I don't expect these ballasts to last 10 years like I did OEM but for the price they are a good investment. UPDATE: Both ballasts failed after exactly 2 years (I drove 40,000 km during this time with moderate night driving). Overall they work well as long as they last. If they were easier to replace I would buy more but my car requires removing the wheels and front bumper to access the headlights so I am looking for a longer term solution.
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