Couldn't get a quick answer on other boards. This is E36 related,,,,,(but might be related to swap engine owners?)
CEL is on with a 1421 error. Should I place the Check Valve along with the SAP? Has anyone tried aftermarket units? OEM is shy of $600 in parts.
I say spend a little with the check valve since it might affect the SAP.
Hope everyone is doing well.
CEL is on with a 1421 error. Should I place the Check Valve along with the SAP? Has anyone tried aftermarket units? OEM is shy of $600 in parts.
I say spend a little with the check valve since it might affect the SAP.
Hope everyone is doing well.
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