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      05-27-2006, 05:06 PM   #15
ANovak
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Drives: 2006 E90 330i
Join Date: Feb 2006
Location: Tallahassee, FL

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2006 330i  [0.00]
Quote:
Originally Posted by im0y
Hi Larry,

I'm not an electrician or anything, but I read somewhere saying to put a 30 Ohm, 5 Watt resistor (I don't know how they came up with this resistor... I'm guessing maybe since the stock bulb is 5 Watts? I don't know. But I did it anyway, using splice taps (so no wires were cut), and the fault code went away.

The only concern I have now is that the resistor gets really hot, just like the stock or xenon-like filament bulbs. Maybe this is now a good time for someone else to verify if the resistor I used is correct. But this doesn't really bother me and I just make sure that the resistors are not touching anything.
At 30 ohms the resistor is disipating around 5 Watts, the design maximum for the resistor. It will not last for any length of time. A 20 Watt resistor with mounting tabs (see website http://www.milwaukeeresistor.com/metalcase.html) would be a better choice. Mounting it to the car body would disipate the heat.
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