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      04-10-2018, 02:04 AM   #11
VrooM3
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Drives: 2008 M3 Coupe
Join Date: Jun 2013
Location: Vancouver

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after a lot of reading and observation on how the oil temps go up and come down, i'm pretty certain it's most likely a bad oil bypass/thermostat in the filter housing.

looks like the whole housing has to be changed as there is no part number i could find for the thermostat alone.

has anyone else experienced this? doesn't seem to be that common of a problem if that's what it is, any ideas or experience anyone?
Appreciate 0