I bought an m52 about a year ago to swap into my e30. The guy said it had about 150k on it and that he pulled it from a rear ended 5 series. Just now beginning to replace all the needed maintenance stuff. I did my thermostat and thermostat housing right before jumping into the water pump and there was the similar colored oil in there. Looks a little worse cause its been sitting in my garage for a year. From what ive seen in videos, it should just be cooland residue behind here, but this looks like oil was definitely mixed in.
But before i put this new water pump in i wanted to ask if this shows any signs of anything i should be aware of before continuing with this engine at all. Could this be signs of blown head gasket or is seeing that oil residue normal? Thanks
Water Pump Replacement m52 BMW by Alex Y, on Flickr
Water Pump Replacement m52 BMW by Alex Y, on Flickr
20200112_135447 by Alex Y, on Flickr
Water Pump Replacement m52 BMW by Alex Y, on Flickr
But before i put this new water pump in i wanted to ask if this shows any signs of anything i should be aware of before continuing with this engine at all. Could this be signs of blown head gasket or is seeing that oil residue normal? Thanks
Water Pump Replacement m52 BMW by Alex Y, on Flickr
Water Pump Replacement m52 BMW by Alex Y, on Flickr
20200112_135447 by Alex Y, on Flickr
Water Pump Replacement m52 BMW by Alex Y, on Flickr
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