I have oil coming into my coolant bottle for a while. got a new engine and the same thing is happening. what might be the cause of this?

Asked by May 03, 2015 at 12:04 PM about the 2005 BMW 1 Series 118i

Question type: Maintenance & Repair

I have replaced the radiator.  I have to get it flushed out every 2-3 weeks depending on
how much I drive it.

4 Answers


leaky head gaskets or cracked engine block

1 out of 1 people think this is helpful.

My best guess would be something relating to the head gasket.

the answer to that change your oil cooler boss its the cause

a cooler unit under the radiator which cools transmission oil

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