Main beam LED's - Alfa Romeo Forum
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(Post Link) post #1 of 9 Old 1 Week Ago Thread Starter
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Main beam LED's

Hi I've changed both my dipped beams and side lights to LED's and want to change my main beams too is there a way of doing that which doesn't involve taking the whole front bumper of to do so as so far all the vids I've seen on YouTube have suggested in doing that to gain access
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(Post Link) post #2 of 9 Old 1 Week Ago Thread Starter
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Sorry should of mentioned I've got a 159 bit important that peice of info haha
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(Post Link) post #3 of 9 Old 1 Week Ago
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159 2.0JTDm SW

you need a mirror and small hands :-)
it can be done with a lot of fiddling but it's a pain In the backside.
LEDs in the main beam are a total waste of time though, I did it but took them out as they are worse than useless.
HIDs in the dipped are far better for seeing (but wagon drivers always seemed to notice when I flashed them with LED mains)

Front bumper removal, headlight removal/ replacement looks like a major PITA but is a surprisingly easy/quick job on the 159.

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(Post Link) post #4 of 9 Old 1 Week Ago Thread Starter
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Thanks, thought that might be the case but always worth a try
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(Post Link) post #5 of 9 Old 1 Week Ago
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LEDs emit light but when used in a conventional reflector will not be effective. The filament in an incandescent bulb is centred in the parabola by design and this is how it is supposed to work. LED headlamp installations have specific lens etc to make them work and ,obviously , taillamps are all about visibility rather than illumination.
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(Post Link) post #6 of 9 Old 1 Week Ago
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I've got led in my main beam and the light output is superb......
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(Post Link) post #7 of 9 Old 1 Week Ago
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Quantity , Quality ?
Projector?
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No question that the light output will be great as far as the amount of light goes...but as said above you can't focus led light with a halogen reflector so the pattern will generally be rubbish. Same as the idiots who put HIDs in stock low beam lights and blind every one...not an issue in main beam of course. If you look in lights designed for led headlights (Audi R8 for example) the reflectors are of a completely different design. Usually only dips are projector....but even they are designed for halogen.
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(Post Link) post #9 of 9 Old 1 Week Ago
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Having spent many years of my life designing and delivering lamps for a major OEM I find it unbelievable when people have a go at it themselves!
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