I've noticed that my BMW Z4 stalling at low speeds, especially when coming to a stop at a red light or stop sign. This is really frustrating and embarrassing. Any idea what could be causing this issue?
ReplyBased on your description, it sounds like you may have a dirty or faulty idle air control valve (IACV). This is a common issue in BMW Z4s and can cause stalling at low speeds. I would recommend getting it checked and possibly cleaned or replaced.
Have you checked your spark plugs and ignition coils? They can also cause stalling if they are worn or malfunctioning. I had a similar issue with my Z4 and replacing the spark plugs solved the problem.
Another possibility is a dirty mass airflow sensor (MAF). This can affect the air-fuel mixture and cause stalling. It's a good idea to clean or replace the MAF every few years as part of routine maintenance.
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