Quote:
Originally Posted by QAfred
It is simple, but make sure you change expansion tank and radiator cap too. Do some research, lots of info on cooling system overhaul.
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why do I need to change expansion tank and radiator cap?
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E61 525i 2004 M54 Auto
E46 320i 2002 M54 Auto
E46 330i 2003 M54 Sedan Manual
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