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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Cosmetic and Lighting Modifications (exterior/interior) > BulbCheck High Beam Current



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      07-02-2014, 08:37 AM   #1
mills04av
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BulbCheck High Beam Current

Does anyone know how much current is passed to the high beams during the BulbCheck process?

I am thinking of adding auxiliary driving lights and want to tap the high beam harness to trigger the auxiliary driving light harness, but don't want the BulbCheck current/signal to trigger the new lights as I am driving.

Does anyone know if the current sent during the bulb check is enough to activate a 12v relay?

I know there is coding that can be done to overwrite the cold and hot BulbCheck, but I do not want to do this.
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      07-04-2014, 06:38 PM   #2
E92-Lighting
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Quote:
Originally Posted by mills04av View Post
Does anyone know how much current is passed to the high beams during the BulbCheck process?

I am thinking of adding auxiliary driving lights and want to tap the high beam harness to trigger the auxiliary driving light harness, but don't want the BulbCheck current/signal to trigger the new lights as I am driving.

Does anyone know if the current sent during the bulb check is enough to activate a 12v relay?

I know there is coding that can be done to overwrite the cold and hot BulbCheck, but I do not want to do this.
12vdc is fine
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      07-11-2014, 12:04 AM   #3
mills04av
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Just as an update, using the high beams to trigger the driving light's relay works fine. The bulbcheck isn't enough current to inadvertently activate the relay.

The install was fairly straight forward, and the light fit nicely.

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