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Need help with fault code !

2K views 3 replies 2 participants last post by  ///Matt 
#1 ·
I just took over driving my wife's 2000 323i at the beginning of November. The Service engine soon light has come on about every other week on me. It hasn't happened to my wife since it was new. The car runs great, so what does this code P 1624 really mean? My scan tool tells me "security fault", but I do not think so... Any ideas please?










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