bathroombulblighting
First, some pictures:
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I can replace the bulbs in the rest of my apartment just fine but the ones in the bathroom have a special enclosure around them that I don't know how to open. The only logical place to open the enclosure seems to be the chrome ring at the bottom but I've had no success trying to pull and/or twist it.
First, make sure the fixture is switched off.
Using a small piece of cloth, to protect your fingers in case the bulb breaks, grab the bulb firmly near the base, and rock it slightly back and forth (left to right), so that you are alternately pulling on one pin, then the other. Once the pins start to move you will probably be able to pull it straight out.
If the bulb does break, you should be able to remove the remaining parts with a pair of needle-nose pliers; be sure to apply the force in the direction the pins are pointing so that you don't break them off.
The next step secret to getting more of this faucet apart are the two slots cut across the cupped part. See the arrows in the following picture.
It looks to me as that the cupped part is threaded down inside the larger diameter part that sticks up from the hole in the sink. There is probably a special tool used to engage these slots to thread the part out. It may be possible to lay a piece of metal bar stock across these slots as a tool. If you do that make sure that it has nice square corners.
Best Answer
I think you will find that the bezel (the outer chrome trim ring) is attached to the locking mounting rods.(the coiled wire on outside of fixture) You may need to open those rods, pull them up to 90degrees or more to the fixture and push them into the fixture body and the bezel will drop as the rods go in. It may also be connected to the bulb socket as well.