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Go Back   E46Fanatics > Tuning & Tech > DIY: Do It Yourself

DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 06-24-2008, 02:47 PM   #1
NEOslim22
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DIY- Head Light lens refinish

I got the 3M Headlight restoration kit they sell at Avanced Auto Parts.
It was about 18$ bucks. It came with
- Disc Pad Holder
6 - 500 grit pads
4 - 800 grit pads
1 - 3000 grit Trizact pad
1 - buffing pad
1 - packet of polishing compound

And a electric drill, i used a corded one. There is no way a battery operated dill will last.

First step was to pull the trim and corner markers off of the car, then pop the latches that hold the head light lens in place. They come off very very easy.
Mine were in very bad shape.





Then i took the supplied 500 grit pads and started sanding, i sanded problaly for about 20mins with the 500 grit on each lens.




Then i washed them off very well and then started with the 800grit did the same thing for about 15min on each. After each step when you wash them you can tell if you need to sand more, if you still have discoloration and scratches after using the 800grit. You need to go back and repeat with the 500grit.


Then use the 3000grit pad, it helps to add some water. use this pad for about 10 min on each. Wash them both good and let dry.


Only use a small amount of the polishing compound, if you use to much you will have it everywhere. Use the suppled buffing head, and a small quarter sized glob of compound. Then polish for about 5 or so minutes, i had to do this step twice.


And this is after is it all finished. Looks 100% better, and it costs under 20$ bucks.


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Old 06-24-2008, 02:54 PM   #2
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Wow! Big difference, nice job.
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Old 06-24-2008, 03:08 PM   #3
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Nice work, Looks 1000 times better
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Old 06-24-2008, 03:12 PM   #4
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Nice! They look awesome! A set of angel eyes would really put them together!
Let me know if you have any questions!
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Old 06-24-2008, 03:19 PM   #5
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wow... really big difference!!!
looks great! !!!
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Old 06-24-2008, 04:00 PM   #6
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Looks good! Thanks for the DIY!
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Old 06-24-2008, 05:45 PM   #7
ElectricRed46
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thanks for the DIY, i just bought the 3M kit last week, cant wait to do it
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Old 06-24-2008, 05:46 PM   #8
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I am adding this to my weekend DIY list.

Thanks for the post.
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Old 06-24-2008, 06:37 PM   #9
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that turned out so rad! definalty doing this before spending alot more on new lenses.

thanks!
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Old 06-24-2008, 06:56 PM   #10
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I am going to do this A.S.A.P and add angel eyes and Laminx to the lenses.
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Old 06-24-2008, 07:01 PM   #11
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Thanks a lot for the DIY.
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Old 06-24-2008, 07:12 PM   #12
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Put on some shoes!
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Old 06-24-2008, 07:16 PM   #13
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Thats definitely one way to save some coin. I bought new lenses for the front and I did that to my tails. Chalk one up to the DIY.
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Old 06-24-2008, 07:20 PM   #14
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Nice DIY! They look super. Thanks for the writeup
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Old 06-24-2008, 07:20 PM   #15
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nice job!
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Old 06-24-2008, 09:37 PM   #16
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very nice
I didn't think it was possible to make them look that good again
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Old 10-06-2011, 09:48 PM   #17
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Does taking off this outer layer of slightly oxidized and pitted plastic potentially leave the lense *more* susceptible to oxidation again? Or is taking this layer off effectively giving the lens a new life?

and is the finish just as good as it came from the factory? i can't tell if there is slight cloudiness or anything from the pictures...

and nice job!
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Old 10-07-2011, 07:45 AM   #18
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Nice job! +1 on the plug-in drill. I used my battery-powered drill once and it lasted maybe 2-3 minutes of hard pressure.
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Old 11-10-2011, 10:21 PM   #19
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wow this is great thank you,
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Old 01-12-2012, 11:51 PM   #20
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damn, cant believe i missed this one. was thinking about buying new lenses yesterday.
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