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Interesting. I keep getting fault P2457 Exhaust Gas Recirculation (EGR) Cooling System Performance. My engine thermostat was broken i replaced it and my EGR cooler was seeping coolant from the welds so i also replaced that. I can't think of anything else that would cause the "EGR cooling system performance" fault code.
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2013 335is - sold
2011 335d
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