Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2004 BMW 325xi CODES › 2004 BMW 325xi CODES March 9, 2012 at 11:00 am #438960 EricTheCarGuyKeymaster I’ve also found this which might help. http://www.obd-codes.com/trouble_codes/bmw/ Also they SHOULD have OBDII codes as anything after 96 sold in the US should show OBDII codes as well as manufacturer codes.