3-Series (E46, E90)Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.
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over time that stuff gets yellowed. I guess it all depends on how long you plan to keep the car or replace the headlights later on. 3M has that clear film coating that masks the front of your car. You can use that on the lenses. That stuff typically doesnt yellow and even if it did it would be hard to tell because it's so thin.
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Agreed, I dont know what the heck happened to my post on here after the server meltdown, but I mentioned that its really only worth it on certain vehicles, the E46 headlight covers seem to be very resilient to outside wear and tear, while my friends Accord, and myold STS had horrible headlight pitting and yellowing. I have not seen a late model E46 with bad headlight covers though, and id rather get the same stuff that goes over the front hood metal to protect it from rock pits and eventual rust, thats where this stuff is really useful.
Obviously, ever analogy breaks down somewhere, and if you drive 500 miles a week on the open highway, you might consider the headlight option too.
I have a similar type of material applied to my motorcycle (BMW R1100RS) headlight to protect it. It is a glass lens and is worth about $300 to replace. It does yellow after a few years, but I just re-apply it when it does. It comes as a rectangular sheet which I cut to the approximate size, then trim to fit exactly after it is stuck in place. The cost is about $20.
The lenses on our 325i appear to be lexan or some other type of plastic. I figure they will be a little more shatter resistant, and thus, I don't plan on applying any sort of extra protection for them.
The headlight lenses on my e46 are severely pitted and no they are not usually covered by the warranty. Cost to replace $45 ea (Dealer quote, parts only). Am looking into using the 3m product on the new covers.
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