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View Full Version : 07 335i overheating



Tonyturbo96
07-26-2019, 09:44 AM
Hey guys so couple nights ago I was driving to get gas, all of a sudden the coolant temp light comes on out of nowhere, I shut the car off wait 15 minutes and she's good to go, now yesterday on my way to work she didn't have an issue except the low coolant light came on, i bought coolant filled the system and did the purge procedure as the thermostat and water pump have been replaced acouple months ago.
on the way home she still overheated i mean coolant boiling with an oil temp almost to 300 and today on my way to work the light came back on and same thing. The fan works and it seems that as I turn the heat on the oil temp rises faster? It seems as if coolant isn't circulating or maybe a headgasket but I heard blown hg are a rare problem on the n54s anyways I could use some help and knowledge im stumped thanks guys

jclausen
07-27-2019, 09:14 AM
Check for faults and inspect for leaks, the electric water pumps are a very common failure part