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| 01-23-2021, 03:49 PM | #1 |
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Intelligent alternator control (IGR) disabled?
Recently got ProTool and started poking around. Noticed IGR was disabled in two different areas. Does this mean the PO coded IGR out? Any reason not to enable these? And why is it in two different places?
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| 07-27-2023, 09:51 AM | #2 |
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Hey. I was just going through some coding and found what you found. Any chance you figured out what its for and/or if it should actually be turned on if we dont have agm batteries?
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| 07-27-2023, 12:54 PM | #3 | |
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Quote:
My radar detector shows battery voltage and I can see the voltage cycling up and down under different conditions. No idea if it did that before I enabled this option, though. "Never had a problem" is one of the most meaningless statements when people talk about their cars, but it's all I got in this case. Take it for what it's worth. Still curious to hear from anyone who really knows what this option does. |
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| 08-04-2023, 01:18 PM | #4 |
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First Lieutenant
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Drives: E53 X5, E83 X3, E93 M3
Join Date: Nov 2022
Location: PNW
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Intelligent Generator Control
The DME will effectively control the alternator output. I cannot find literature EXACTLY, but the DME will control the alternator in certain full throttle events. This is done via LIN communication to the alternator.
I would suggest putting this feature ON.
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2008 BMW M3 E93 MT
R135 └┼┼┼ ..246 |
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| 08-05-2023, 06:16 AM | #5 | |
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Quote:
Here's where I get a bit confused: Isn't this feature part of the car's normal feature set? If so, why would I have found it disabled on my car? Is there more than one IGR mode? Or is there reason to believe my car's previous owner had a shop disable it for some reason? |
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