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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Oil in Coolant "milk chocolate coolant" , new turbos, oil filter housing



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      07-22-2013, 08:53 AM   #1
demontwinz
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Angry Oil in Coolant "milk chocolate coolant" , new turbos, oil filter housing

hi,

I had my turbos replaced and I found oil filter housing leak and small oil pan leak.

My shop installed the turbos. The install was good beside clogged oil lines. I also have a small oil filter housing gasket leak and a small oil pan leak. I had no codes but I had my jb4 tune clear on for tuner codes only.

The oil lines were a bit clogged so they had to flush out the oil system. The oil was very thick so we did a motor oil flush.

There was also "milk chocolate" type oil mixture in my coolant so we know that oil is in my cooling system. I am not sure if coolant ever got into my engine but I have notice white smoke from my exhaust 3 times in the last 2 months. I did not notice any sweet smell.

How did oil get into my cooling system? Was it the oil filter housing? the leaking seals in my oil turbos? head gasket, cracked head?

Thanks for any tips

Regards,
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      07-22-2013, 12:19 PM   #2
pwr hungry
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can't answer without examining it. Anyone elses answer to these is going to be just as much speculation as yours would be.
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      07-22-2013, 02:52 PM   #3
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Mileage? Any overheating or aggressive beating during cold?
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      07-22-2013, 03:09 PM   #4
demontwinz
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it's the oil filter housing gasket. It is always that thing. I hope everything is ok now.
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