3-Series (E46, E90)Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.
2001 325is I left the gas cap off, then the check engine lights came on etc. I took off the battery to reset the dme etc. Its still on!!! What must/can I do before I take it to the stealers? please help me.....
My 325i came with a whole insert in the manual about this. Four pages! Just tighten the gas cap and you'll be fine. I believe after the magic elves in the car check three more times and find the fault is gone the CEL will clear. You could, of course, check your manual and it will tell you for sure
It's not how long you drive, it's how many on/off cycles the car goes through. If you've cycled the car on/off 4-5 times and it's still showing up try going to an Autozone or a Shucks and see if they can pull the codes for you. They'll do it for free, and you can find out what the fault is without having to pay the dealership.
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