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      10-11-2013, 06:43 AM   #3
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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Ah, very curious about this! What temperature range is she running at when warmed up? Thermostat is most likely jammed open...

My 330i is apparently running cooler than it should in most cases but as typically goes with my car, no error codes to suggest anything is wrong. When I activate the hidden menu on the cluster and then coolant temperature it shows it in the 79 to 84 degrees Celsius range which is apparently the high output mode for the N52 - under normal driving conditions it should be closer to 105 degrees Celsius which is Eco mode. Now the N54/55 probably has a different temperature range characteristic, but would be curious to know what temperatures you are seeing...
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BMW E90 330i (M) '05 (His) | (Hers) BMW E46 320i f/l (M) '03


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