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Message: <blockquote data-quote="sillycarx" data-source="post: 19753" data-attributes="member: 17377"><p>Hi,My car is e90 2005 with 100k milleage.Found that my car had oil in the radiator. It was actually quite thick and milky brown colour. So there was 2 oil source to check, engine oil and ATF oil. Draining my Engine oil shows that it is clean. Draining my ATF oil also shows that it was clean. So when I think back, my engine oil level was not lower then usual. After traveling for about 6.5k km, it was down by about 25% at least on the display, which is actually quite normal, since the last time it was 1l after about 11k km. My ATF on the other hand, seems to be slightly lower, but not 100% sure, since there was some screw up by AB glenmarie when I got them to change my ATF oil at 98k. Another long story...So, after talking to different people. AB guy in Penang said, he is almost certain that if there is aproblem it is the ATF oil cooler. He said, his experience is that, if the contamination is so great, it will not be 1 way for the engine oil chamber. The AB service manager, also check with a few of his mechanic around, and said on there was only 2 reported cases, and those 2 cases, was 1 way contamination from Radiator to engine oil and not the other way around. The 1st case is engine gasket leak and the other case is engine oil heat exchanger ( cooler) leak. After cleaning out all the oil ( as much as I can) fromt he radiator line and expansion tank, the problem of oil leak doesn't seems to be getting worse. ( after about 400km). So now waiting to see if there is more oil contamination in my radiator.... I am really wondering now what is wrong.</p></blockquote><p></p>

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