Join Date: Dec 2008
Location: Hot Springs, Arkansas
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Did you get that new radiator expansion tank?
Bet that was your issue. Not too hard to get the old one off, but a challenge to get the new one situated and tightened in place. You might need to find some screws just a bit longer than the ones which hold the expansion tank in place to get the tank started into its groove. Make sure no debris is in the groove where the expansion tank will settle. Even though the plastic on the expansion tank fatigues over the years, there is usually a reason it blows. My 318is has the electric fan configuration that some folks add after the FDM that many owners employ to avoid grenade fans -- and I'm ordering a new sensor switch and relay (if there is one) to get the fan back operating as it should. In the meanwhile, the A/C switched on gets the electric fan going to keep it from overheating. Good Luck.