If you have a issue with your BMW 4 Series, and you can’t identify where it’s caused by, don’t worry, we’re just here to help you locate solutions to these problems. If in your situation, your BMW 4 Series stops while driving , you must be more than bothered by this issue. In this guidebook, we will help you to locate the cause of the issue. You will be delighted to find out, nevertheless, that a vehicle that stops while you are driving can trigger a lot of different problems, so try to check out all of them from the point of view of how your BMW 4 Series behaves when it dies while driving. To get this done, we will now list all the components that have been located to be concerned and the cause of their failure when the BMW 4 Series dies while driving.

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BMW 4 Series THAT shuts off ALTHOUGH DRIVING: THE PARTS INVOLVED

We will in reality help you with your research on the origin of your BMW 4 Series that dies while driving. Examine all parts that if broken will be the cause of the issue you are experiencing.

THE EGR VALVE

The EGR valve is one of the parts that make a lot of hassle for drivers. In fact, this valve has a habit of clogging up the more time passes or due to a “quiet” driving of your BMW 4 Series. This can lead to poor exhaust gas diffusion and, when it is entirely blocked, a loss of power and possibly stalling at idle. Examine this complete guidebook to EGR valve problems for more info.

A GROUND WIRE OR ELECTRICAL HASSLE

Does your BMW 4 Series shuts off while driving? Don’t forget to look at your electrical unit, whether it’s a ground wire, for example, which can cause a short circuit, or a entirely broken electrical circuit that can no longer carry electricity. This is one of the most difficult motives to detect… We suggest that you try to locate a “burnt” part for the ground wire, which would show that an electric arc has formed between a cable and the bodywork, nevertheless you will absolutely have to contact a professional to resolve this issue.

IDLE ACTUATOR

The purpose of this component is to control the engine idle speed of your BMW 4 Series. If your BMW 4 Series engine unit stops unexpectedly when you’re at a standstill, such as at a red light, check the level of wear on your actuator.

THE FUEL PUMP

One of the most logical triggers, without fuel, the engine stops running. Occasionally, over the years, the fuel pump filter can become clogged or the fuel pump is weak and no longer pumping. Either method, your BMW 4 Series could stop while driving.

FUEL INJECTION SYSTEM

Same reflection as seen previously, nevertheless, in this scenario it is the last phase of the fuel intake into the engine. Seized injectors, a defective injection pump or sensor and your BMW 4 Series can go out of service or completely disable your fuel injection. An injection issue will generally appear when the fuel injection is hot.

NEIMAN PROBLEM

A neiman, mainly concerning its ignition switch, will sometimes cause you trouble and cause your BMW 4 Series to stop while driving. This component, which is important for starting your car, also serves as an anti-theft protection, which will prevent your BMW 4 Series from running normally if it fails.

IGNITION COILS (PETROL ENGINE ONLY)

The penultimate main reason an BMW 4 Series stops while driving is the ignition coil. This source is just relevant for petrol cars since the engine runs by explosion and not by compression. In case your coils are too worn out, they will no longer spark. Look on that side.

BATTERY / ALTERNATOR

Finally, it is also possible to be the victim of a tired battery or a broken alternator. In both situations, the lack of energy stored inside the battery will prevent your BMW 4 Series from running as it will no longer be able to power the main parts of your engine unit.

In the event that you have any further questions about the BMW 4 Series, do not hesitate to consult our BMW 4 Series category.