[quote=""phiggystardust""]hi guys
thinking of doing this upgrade to halo xenon lights on my 2002, but so many questions
can facelift lights be fitted to prefacelifts, can face lift bi xenons be retro fitted to pre facelift cars (can get hold of a set of these easy) but what else is needed???, upgrade kits you see on the bay, do they come with leveling motors and are they any good??? and on and on,just a few to start off with
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Facelift units cannot be fitted to prefacelift car unless you change the whole front end as they have a different physical shape.
Not sure on the xenon units only so cant comment if they would straight fit into prefacelift units but suspect not.
Afaik the xenon units dont come with self level motors.
I have factory xenon dip beams & will be so bold as to say that whilst good they arent the be all and end all some would let you believe.
The law on these, (if of concern to you), is open to debate but the dft has made its position quite clear in that self levelling & washers would be required. My personal view is that just as illegal plates and tints have had their fair share of attention I suspect bulbs & lighting are up for more legal attention in the future. There is a link to the official dft line on another thread so do a forum search.
Some folk wanting a more modern look have fitted lamps made by depo - if you look in the classified buy/sell section you will see a grey car that had them fitted. I am not 100% sure but seem to recall you may have to import these.
Personally if it were my car I would simply buy the best halogen bulbs I could get hands on, fit those to dip beams get lamps realigned.
If wanting a more modern look the early lights, ( I think there was a switch point sometime in 2002 but uncertain - check xoutpost), on the first prefacelifts can be baked, open & the amber removed. If feeling very creative the amber reflector dremelled out and painted with silver reflective paint, (this would be my preference if freshening up corners).
There are also angel eye kits you can buy............. If upgrading to more powerful, ( technically illegal), halogen bulbs it is important to consider that extra heat might not be too friendly with some angel eye kits. For decent headlamp bulbs google to se what others fitr in your bulb size. Not sure the bulb type but if you check on autobulbs direct it should tell you. Osram Nightbreakers seem to get good reviews as do Philips though technically bright bulbs like the ebay sourceable Diamond vision which have more of a xenon look also are technically illegal in the UK at 5000k. Hoen in USA also export their "xenonmatch" bulbs at a cost but again these are technically illegal in the uk afaik & not E stamped,(again only an issue if this bothers you).
EDITED TO CORRECT MY PRIOR WRONG INFO - ME BAD
Also consider you may wish to change the indicator bulbs to chrome look - due to fitting on original prefacelifts the bladed chrome choice requires overseas consideration of sourcing from USA .
I would say you should ask self what budget you have & what you aim to achive - Is it better visbility or better cosmetics ?
Perhaps be careful what you decide upon not only in reliability terms, but also as molested lamps are a put off for some - come resale.
Whilst confident in assesing the integrity of a used car I am niether a mechanic or a mod guru. Hopefully others will comment with more specific info &/or indeed correct me if I am wrong.
Edit- I posted at about the same time as Sanj, ( who knows far more than me re mods), so apologies for any duplication or conflict in info.
....just don't meet him in a secluded place or the police may turn up and move you on 
(do your own further research to make sure mind)