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Old 01-04-2013, 03:16 PM
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bin01123 bin01123 is offline
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Location: Atlanta, GA
Join Date: Dec 2010
Posts: 296
Mein Auto: 2013 535i
I just completed a cooling system overhaul on my 01 540. I replaced the water pump, thermostat, belts, tank, hoses, and radiator. I put BMW coolant back in with a mix of distilled water. The car run a little rough on startup now but smooths out. Has anyone had this kind of an issue after a cooling system overhaul or any ideas?
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