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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Sat, Mar-24-2018, 05:15:21 PM   #11
bimmerdriver
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Default Re: Questions about OE Bi-Xenon Headlights

Those lenses look a lot better than the OE lenses. I guess removing the assemblies and taking them apart necessitates a headlight alignment?
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Old Sat, Mar-24-2018, 06:22:16 PM   #12
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Default Re: Questions about OE Bi-Xenon Headlights

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Originally Posted by bimmerdriver View Post
Those lenses look a lot better than the OE lenses. I guess removing the assemblies and taking them apart necessitates a headlight alignment?
You can easily adjust them yourself. Pick a level surface to park a few feet from a wall or garage and mark the beam on the wall with painters tape then mark the cars location as well. When you're done park in the same spot and readjust based on your markings then tweak and modify from there.
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Old Sat, Mar-24-2018, 07:33:05 PM   #13
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Default Re: Questions about OE Bi-Xenon Headlights

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Those lenses look a lot better than the OE lenses. I guess removing the assemblies and taking them apart necessitates a headlight alignment?


You will need to do an alignment which is easy. All you truly need is a measuring tape and some painters tape.

The main part you want is to be able to drive right up to a wall where you can back the car up 25ft with no different angle changes in the road surface. I usually find that in industrial areas with buildings who have opened lots in the back loading bays for semis.

You drive the car right up to the wall so it just barely touches the front bumper to put a mark where your hot spot is on the wall. Then you back up exactly 25 feet and put some tape 2.1” lower than your original hotspot. That’s where you want the cutoff to fall at.

Being 25 feet away, those 2.1 inches are very important in not blinding people. A quarter inch higher might send light far away into drivers’ eyes and a quarter inch lower will limit your visibly.

Here is an alignment print out I made to help make alignment easier with instructions. You’ll just need to tape this to the wall when you align the initial hotspot.

https://www.dropbox.com/s/8i9s4s0rj3...20DIY.pdf?dl=0
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Discussing Questions about OE Bi-Xenon Headlights in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)