Trouble code P0411 means:Secondary air injection system incorrect flow detected
Trouble code P0411 means: Secondary Air Injection (AIR) System Insufficient Air Flow Detected
Replace air pump
Trouble code P0411 means:Secondary air injection system incorrect flow detected
p0411 is a secondary air incorect flow fault
Trouble code P0411 means:Secondary air injection system incorrect flow detected
Trouble code P0411 means: Secondary Air Injection Incorrect Upstream Flow Detected
Trouble code P0411 means: Secondary Air Injection Incorrect Upstream Flow Detected
Trouble code P0411 means:Secondary air injection system incorrect flow detected
Trouble code P0411 means:Secondary air injection system incorrect flow detected
Trouble code P0411 means: Secondary Air Injection (AIR) System Insufficient Air Flow Detected
Trouble code P0411 means: Secondary Air Injection Incorrect Upstream Flow Detected
On a BMW OBDII fault P0411 is part of EVAP emissions. Most common cause of that code is a loose or mising gas cap. Otherwise, the the next step is a bad purge flow valve or solenoid. It's all about trapping the fumes that are displaced when you fill up gas tank