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2010 2011 BMW 5 Series Forum F10 BMW 523i (N52) Oil mixing with coolant |
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10-20-2023, 04:47 AM | #1 |
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BMW 523i (N52) Oil mixing with coolant
Oil is mixing with coolant? Anyone have any idea why oil is mixing with coolant into my coolant tank?
Workshop has suggested an engine overhaul. Have already diagnosed, Oil Filter Housing, Heat Exchanger, Thermostat. Still after flushing multiple times. The oil mixes with coolant and clogs up the radiator. |
10-21-2023, 04:48 PM | #2 |
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Garage List 2006 BMW 330i [8.25]
2009 BMW 328i Touri ... [8.00] 2013 BMW X5 35i [7.80] 2011 BMW 528i [8.70] 2006 Mazda3 [5.50] |
That's REALLY bad! Maybe a bad head gasket? Did it severely overheat at some point.
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