E39 CELIS Light Source

NOTE: Perform these steps at your own risk. All P/N's listed are a "best guess", so please double-check with your local dealer. These mods and repairs were performed on my US-Spec 1989 325i (12/88 prod date, M20/B25 engine) but there is no guarantee they will work on other E30's. These instructions are provided for entertainment purposes only!

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The OEM Hella CELIS (aka Angel Eye) light source is a 12V 10W halogen lamp in a reflector housing which shines into a collector lens leading to the fiber-optic lines.

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The bulb is holder is plastic-welded together, so replacing the bulb would require breaking the weld.

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The halogen lamp gets focused onto this concentrator lens (see red arrow). The concentrator lens is spaced from the halogen reflector assembly by approximately 1".

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Here's the concentrator unit. The black tubing heading off to the right leads to the four fiber-optic leads in the two CELIS rings.