I have the cheap Mtechs and I feel a big improvement over OEM because about as bright and definitely white instead of yellow. But they dim when headlights are on and become yellow then and look very similar to OEM. I am trying to find a code that will keep them bright when headlights are on...
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Garage:
'11 Z4is
'09 Audi Q5
'07 Lamborghini Gallardo
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