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      07-16-2019, 09:18 AM   #5
Three_thirty_I
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Drives: '05 E90 330i Manual
Join Date: Aug 2010
Location: Cape Town, South Africa

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Okay, I've known about the 4 different temperature maps for years now, but despite various DIY's including replacing the original and perfectly good aluminium thermostat for a new OEM plastic thermostat, fresh BMW coolant and distilled water, etc, when I check the hidden menu 7, I never see it run above 100 degrees to the eco mode, 99% of the time it's sitting either in the mapped high output mode, or slightly lower. And this is regardless of how the engine is being used. I don't live in severe climate, so outside temperatures are usually moderate. I wonder if the hidden menu 7 isn't always showing the same parameter from model to model. I remember checking this hidden menu 7 on a family member's 2009 X3 2.5Si which also has the N52, and it was showing the "correct" temperatures. I've made piece with the fact that this is just one of those quirks and am simply not willing to spend more time or money trying to get this thing to do what it clearly doesn't want to do...
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BMW E90 330i (M) '05 (His) | (Hers) BMW E46 320i f/l (M) '03

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