2003 BMW 325i Q&A

2003 BMW 325i Question: when i start up cold runs rough about 3 min,,dig code says bank 1 and 2 lean

what is causing problem?,,the rest of the day runs great -
Answer 1
Have your heated oxygen sensors and coolant temp sensors tested. They may be lazy or malfuntioning causing the lean condition cold. -
Comment 1
Thanks I will have it checked -