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      04-11-2008, 11:46 PM   #12
BMW Dreamer
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Drives: Modded 06 TL Manual
Join Date: Apr 2008
Location: Northern IL.

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So changing the oil doesn't drain the oil cooler? I don't understand how this all works? If the engine oil and oil cooler uses the same oil, shouldn't everything be drained???

A complete step by step would be greatly appreciated.
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