day time running lamp
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Joined: Dec 2010
Posts: 57
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From: Bulgaria
My Ride: '06 E60 550i
They probably change the wattage/intensity/brightness of the AE. PWM_AN_SL_V_AL_1_34 in the LMA module, for the guys familiar with NCS. I dunno how many values it has, I assume at least six, since the default value is wert_06, but wert_01 sets it to stick to highest brightness. I would assume that wert_06 is the "automatic" mode, where the AEs dim depending on the light, or if headlights are on etc.
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Joined: Mar 2004
Posts: 4,672
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From: New Orleans, LA USA
My Ride: E90 M3
Model Year: 2011
And agreed, sounds like typical dealer BS. I've never heard of any such adjustment despite going through several DRL bulbs on my '08 550.
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Joined: Dec 2010
Posts: 301
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From: NJ
My Ride: '08 528i, Alpine WHITE
I went to my local dealership last week to replace a burned out daytime running lamp (bulb) - This is the second time I've had to replace in 78K miles. I ask my Service Advisor the average lifespan of these bulbs and he says, "on average 2-3 years". He then proceeds to say, "We can also re-program your car to make these bulbs last longer, for an additional $210." I'm thinking, are you kidding me - Is this guy for real? Of course, I declined the programming. What a bunch of criminals!!!
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Joined: Jun 2009
Posts: 5,781
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From: CA
My Ride: BMW E60
Model Year: 2016
They probably change the wattage/intensity/brightness of the AE. PWM_AN_SL_V_AL_1_34 in the LMA module, for the guys familiar with NCS. I dunno how many values it has, I assume at least six, since the default value is wert_06, but wert_01 sets it to stick to highest brightness. I would assume that wert_06 is the "automatic" mode, where the AEs dim depending on the light, or if headlights are on etc.
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