Thread: Oil in coolant
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      10-02-2015, 09:59 AM   #5
nwsnowboarder
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Drives: 2010 335d
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That price would be around what the Auxiliary Radiator would cost, but I don't see oil circulating through it on the online diagrams.

Coolant does appear to circulate through the Heat Exchanger though.

Seems like a lot of money to spend on a part that might not fix the problem. Wouldn't it be better to pull the suspected failed part, pressurize it and see if there is a drop in pressure?
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