Coolant around or in oil filter
09-02-2018, 09:33 AM
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My Ride: 08 535i
Model Year: 2008
Engine: N54
Coolant around or in oil filter
I have an 08 535i. Last year I had the oil filter gaskets (upper and lower), connected hose pipe and serpentine belt changed.
Today I noticed the coolant level on the lower side (no warning light just manually inspected the reservoir). Then I noticed that there was a greenish coolant around the oil filter housing (upper and lower).
Attaching pictures of the same.
I don't see any oil inside the coolant housing. It's a deep green color liquid. I tried to check the engine by opening the top fill cap. It's looks light brown but can't see any liquid oil from there. I don't drive much a few short miles a day at best.
Anyone know if this normal, just a coolant pipe leak around the filter (is there one that can causing it to show up on top and bottom of the filter with some spattering around the belt/rollers) or if this a blown engine gasket or some other way for the coolant to get into the oil filter housing?
09-06-2018, 06:57 AM
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My Ride: 2009 535i Sport
Model Year: 2009
Engine: N54
I know you just had it done last year, but I'd look into the oil filter housing gasket - seems most likely, or perhaps it's old coolant collected/sprayed there from last year?
09-06-2018, 11:03 AM
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My Ride: BMW 530i
Model Year: 2007
It's very possible that the gasket between the oil cooler and the oil filter housing is failing. There are after market gaskets that people sometime use that are less expensive than BMW gaskets. These are usually missing the centering nubs on the gasket itself. The gasket is not centered when it's replaced and can fail. You say you have "light brown" color oil. If it is at all milky brown then coolant may be leaking into your oil. Very bad! Replace the gasket between the oil cooler and the oil filter housing.
09-20-2018, 07:43 AM
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My Ride: 08 535i
Model Year: 2008
Engine: N54
Well for what it’s worth my water pump failed a few days ago at just over 90k. So new water pump, thermostat and coolant. I haven’t seen any more sweating or leaks/splatters. Indy is saying all else is looking good. The one big difference I do notice is that my radiator fan seems to be on a lot less with the AC on after this new pump and coolant.
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