Re: headlight reflectors
The halogen bulb can be focused, but it takes a longer screw and spring. We reviewed these bulbs a few years ago and used the Computer test equipment required by the State of California. We were able to focus the halogen bulb that fits the original socket and achieved the same test pattern as is shown in the owner's manual. The modern style halogen bulb that is fixed to the reflector can not be adjusted and you will get a poor performance from it.
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