03-19-2016, 09:26 PM | #287 |
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If you use the M235i temperature hack, it's interesting that the water temperature tracks the oil temperature to within about 10 Celsius. For example, when the oil temperature is at 60C/140F the water temperature is at 70C/158F (oil temperature always lags water temperature).
The water temperature stabilises around 115C/240F and the oil around 105C/220F (depending on ambient temperature). In other words, when the water gauge says it's up to temperature, the oil is too. Until the M135i/M235i I've never owned a car with both a water temperature and oil temperature gauge and had been taught to wait a good 5-10 minutes after the water is up to temperature before the oil is too. It seems that in the M135i/M235i that rule of thumb is not true and a water temperature gauge is just fine. If there's some measurement weirdness going on it would be great to hear what it is! |
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03-26-2016, 12:20 PM | #288 |
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I'd to get some updates on your car, living vicariously through your experience with your new toy!
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03-27-2016, 02:38 PM | #289 |
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03-30-2016, 06:41 AM | #290 | |
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03-30-2016, 07:06 AM | #291 |
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[QUOTE= It seems that in the M135i/M235i that rule of thumb is not true and a water temperature gauge is just fine.
If there's some measurement weirdness going on it would be great to hear what it is![/QUOTE] More likely the wider use of oil/water intercoolers over the last few years. MY 2006 E60 was the first. oil/water cooler as part of the oil filter housing. Oil temp up quicker, but another couple of BMW gaskets to ultimately replace as well. Ups and downs, Rob |
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