Whether you experience you can’t see as well at night, or you experience you’re lighting too low, or too high, in all these scenarios, there’s only one component of your car at fault – your headlights, as well often known as high beams. Although this adjustment may seem easy thanks to the thumbwheel on your dashboard, a whole adjustment is much more technical than this simple manipulation, and in this article, we are going to discover how to adjust the headlights of your BMW 4 Series? To achieve this, first we will discover why you need to adjust your high beams, and secondly how to adjust the headlights of your BMW 4 Series.

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Why adjust the headlights of your BMW 4 Series?

So let’s begin our content with the interest of adjusting the headlights of your BMW 4 Series. For most people, our headlights are adjusted well enough, and they appear to light up enough at night. Regrettably this is not always the circumstance and examining this setting, either because the headlights on your BMW 4 Series are not bright enough, or because you have the impression that they are too weak is a wise decision .

Adjusting the high beams of your BMW 4 Series for safety

First of all, the headlight adjustment of a BMW 4 Series must be carried out for a simple safety motive. Regardless it’s for you, or for the other users you come across during your night trips. Indeed, if you don’t see enough, the risk is to ignore an obstacle driving, or to predict a curve badly. However, if your headlights are too powerful, regardless if you are meant to switch to low beam lights when you cross a vehicle, the time needed to make this switch will most of the time expose the driver in front of you to the headlight beam of your BMW 4 Series . It is therefore necessary for others as well as for you to have an optimal adjustment of your headlights.

Adjusting the headlights of a BMW 4 Series for legal reasons

Furthermore to safety, there is a law that regulates the power, the adjustment of car headlights (articles R313-2 of the Highway Code), here is what it suggests: have between 2 and 4 headlights that illuminate at least 100 meters. Another legislation regulates their use, the European one (directive 76/756/EEC), which stipulates that there is no maximum height for the adjustment of the headlights, but that the maximum width of the beam must be identical to that of the dipped headlights and that the maximum luminosity must be 225, 000 cd.

How to adjust the headlights of a BMW 4 Series?

We will now proceed to the section that concerns you the most in this article, how to adjust the headlights of his BMW 4 Series? This adjustment may seem a bit complex, but by simply following the guidance you should be able to perform it without too much problem.

Preparations to adjust the headlights of a BMW 4 Series

First of all, you’ll need to prepare your car to adjust your high beams in good conditions, here are the preparations to put in place:

  • Place your car on a surface in front of a white wall for example, about 4 or 5 meters from the wall.
  • Check your tire pressure cautiously.
  • Check that the height adjustment knob for the lights is set to 0
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  • Try doing that with half a full tank.
  • Remove all needless weight from the car, only one person should be in the driver’s seat.

The headlight adjustment of his BMW 4 Series

Once your car is in position, you will turn on your dipped beam and make a cross-shaped mark (one horizontal and one vertical section) in the middle of the beam that will be projected on the wall. Check with a level that both parts of the cross are horizontal. Then back your car up to a distance of between 7 and 10 metres. For the rest of the procedure here are the steps to stick to:

  • Open your hood, identify the screws for horizontal and vertical control of the headlights of your BMW 4 Series (they are in general marked, and those on top must adjust the verticality and the one on the side handles the horizontality of the adjustment).
  • Use a cloth or something else to hide the projector on which you are not making the adjustment.
  • Using the screws to make the horizontal adjustment, you should have the most intense component of the beam which should be a little to the right of the vertical line noted on the wall
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  • With regard to vertical adjustment, you will have to use the screw to try to position the upper end of the beam at the level of the horizontal marking on the wall, or slightly down below.
  • Once finished, check that the headlights setting of your BMW 4 Series is logical, do not hesitate to check it after you have driven it, occasionally it may move.

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If you want to adjust the fog lights on your BMW 4 Series, please go through our content on this subject matter.

To get more tips on the BMW 4 Series, take a look at the BMW 4 Series category.