2003 BMW 325i Q&A
2003 BMW 325i Question: Not Smooth @ Idle
Over the last 8 months I've noticed that this vechicle has problems at idle, the engine once has shut down because it was idle'ing too low and wouldn't start for a about an hour or so? At stop lights I can see the RPMs vary between 500 - 1500? The car has about 106,000 miles, I'd like to keep it going for several more years, as I hear these cars can last for a while if properly maintained. Any insight would be great. Thank you. - waltrkm
The Engine Computer and ElectronicThrottle Body Controller need to be scanned. There is a fault condition with 1 or both of these systems which is causing your idle to surge and/or die. - dandd
I've been working this issue for some time now. I have cleaned the throttle body, idle control, replace all O2 sensors, The MAF, The MAP, cleaned the Fuel Injectors, replace the Temp sensor, replac...
I would like to ask if this problem (bad 2nd air pump and check valve) could cause any misfiring and or idling issues? I understand this may not solve my idling problem but because the idle smooths...