Quote:
Originally Posted by PerfectAce
The thermostat is another part that is also likely to fail (if it hasn't already.) They typically fail open and as a result keep the coolant temp low thus overworking the glow plug system. If the coolant temp is extremely low (under 75 deg C) the DPF will be prevented from performing regens.
The good news is that the thermostat is a cheap part ($70-ish) and is DIY-able. Check your coolant temp by accessing the hidden menu in the gauge cluster and verify that normal operating temps are around 88 deg C. If not, replace part.
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Thanks. Checked today and after warm up mine is running consistently at 80-83 degrees. Some posts and search results suggest this is kind of acceptable ( although not optimal)?
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-Faz
2023 X5 x40i M-Sport
2018 330i F30
(Previous: 2011 E90 335d , 2017 F15 X5 x35i , 2011 F10 535i 6spd, 2011 E70 X5 x35i, 2007 E90 328i, 2005 E53 X5 3.0i, )