Cleaned the MAFS twice with no results. Runs rough for approx 3-4 minutes then the car is fine. Any ideas on troublshooting?
SOURCE: 1998 BMW Z3 2.8 Idles rough when cold starting in wet weather
the problem could be in air mass flow sensor, but it's expensive
SOURCE: Hi I have 2000 BMW 320i. Lumpy idle when cold and oil light for
Your oil is a little low, and the timing may be off a bit but if it smooths out after warm it is probably ljust
low oil.
SOURCE: 2001 BMW 325i problem: Car runs very rough, but no warning lights
Sounds like a fuel problem , have you changed the fuel filter in a while ? could be the knock sensor or the knock sensor module needs to be replaced.
SOURCE: My 2004 BMW 525i won't start (no clicking, slight humm)
starter motor solenoid problem by the sounds of it, check the connections are clean and secure, give it a tap with a soft head mallet or hammer handle. If it doesn't spring back into life it will need replacing.
SOURCE: oil change reset for bmw 525i
You only need to hold the left odometer reset button while turning the key to position 1 (Accessory). Keep holding the button for 5 or so seconds until any of the following shows in the display: OIL SERVICE or INSPECTION with RESET or RE. Release the button and press it again for another 5 or so seconds until RESET or RE flash. While the display flashes, press the button one more time briefly. If done correctly, END SIA should show up for a few seconds. All done.
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