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Discussion Starter · #1 ·
I was looking over my 03 525iT to get it ready for a drive cycle and smog test after abs module rebuild and noticed a few drops of coolant in the belts area and some coolant on the cooler line. I think it may be the water pump, recently replaced the thermostat and lower radiator hose and I am now thinking of doing the complete cooling system overhaul, please let me know which parts you recommend and what to look at. What do you guys think?
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