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2003 330cic, 2003 325iT
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Discussion Starter #1
Right next to the AUC and electric fan connector is this little guy. What is it for?



 

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Is this a SULEV? Looks like the connector that plugs into the radiator to ensure that you're using the special o-zone radiator thing. Early SULEVs didn't actually use that connector though so BMW probably plugged it from the factory.
 
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