BMW does not start in the cold – what is the cause and how to fix it?

BMW driver question

The car does not want to start in frost greater than -10 degrees. The battery is new. What could be the cause?

The problem affected the BMW E46 320d 150, but it also happens in other models.

BM Cars service response

The list of reasons can be very long. The most common reasons in this model are:

1. Malfunctioning glow plugs.
2. A malfunctioning glow plug controller.
3. Defective glow plug installation.
4. Clogged fuel filter (not replaced for a long time).
5. Low-quality fuel (lukewarm or admixed fuel).
6. Fuel filter heater not working.

The easiest way to determine the problem is a full computer diagnosis. We invite you to take advantage of our service.

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