How to reset bmw tire pressure warning light


How do you reset the tire pressure warning light in a BMW?

How can I reset a tire pressure warning in my BMW? The last few weeks the tire pressure warning light has kept coming on and off. I've checked the tires and they have the right amount of air. Can I reset it?

Will Baldwin · Answered on Nov 01, 2021

Reviewed by Shannon Martin, Licensed Insurance Agent.

Inconsistencies like that can be so frustrating. Thankfully, BMW does allow you to reset your tire pressure warning light.

Here are the steps:

  • From the main menu of your IDrive screen, select My Vehicle.
  • Then, touch Vehicle status.
  • Now activate the Tire Pressure Monitor by clicking its icon.
  • The tire pressure monitor will display the current pressure of your tires.
  • You should then have an option to select Perform Reset on the information screen.

It’s important to know if all tires show green post reset, the current pressure is correct. However, a tire highlighted in red indicates incorrect pressure. A mechanic or auto repair shop can help troubleshoot the issue or your tire.

If you’re worried about a slow leak in your tire or potentially needing a tow, Jerry has the solution. Jerry’s roadside assistance membership provides you with industry-leading benefits like towing, lockout service, and a mechanics hotline.

MORE: BMW Car Buying Guide

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    How to Fix a Low Tire Pressure Monitor Warning in a BMW X3 xDrive30i

    Written By: Camryn Stepp (and one other contributor)

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    Introduction

    Your BMW X3 xDrive30i will let you know immediately when you have a low tire pressure. When you turn on your ignition, a yellow warning light will appear on your display. An image will also be displayed showing you exactly which tire needs attention. With a basic air compressor, it’s easy to fill the tires to the correct pressure, and it's even easier to reset the Tire Pressure Monitor.

    Tire pressure can fluctuate throughout the seasons, and it’s dangerous to drive on a low tire so be sure to always keep your tires at the correct tire pressure.

      No parts specified.

      1. Edit

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        • Remove the tire chuck from the valve stem.

        • Check the tire pressure using the tire pressure gauge by pressing the gauge onto the valve stem.

        • The tire pressure needs to be 32 psi.

        • If the tire pressure is below 32 psi, continue filling the tire with the air compressor.

        • Once the tire pressure reaches 32 psi, replace the cap back on the valve stem.

        Edit

      3. Edit

      4. Edit

      5. Edit

      Almost done!

      Resetting your tire pressure on your BMW X3 is easy to do following these simple steps and photos.

      Conclusion

      Resetting your tire pressure on your BMW X3 is easy to do following these simple steps and photos.

      Cancel: I did not complete this guide.

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      How to reset a tire pressure error: a few easy ways

      Save article:

      The article says:

      1. Why you need a tire pressure sensor
      2. What are the reasons for triggering the sensor
      3. How can I reset the tire pressure sensor error
      4. How to adjust tire pressure sensors

      When the tires are optimally inflated, the low tire pressure indicator (TPMS) does not light up on the vehicle's dashboard. However, in some cases, it lights up even if the pressure is normal. This can't help but be annoying, especially when the tires are inflated normally. In our article today, we will figure out how to reset a tire pressure error.

      Why do you need a tire pressure sensor

      American and European scientists conducted a study, during which it was found that most drivers do not check whether the wheels are properly inflated before getting behind the wheel of a car. Only 40% of car owners perform such a check - and even then only once every 12 months. This is the reason for a large number of accidents.

      The TPMS (Tyre pressure monitoring system) system is designed to monitor tire pressure, as well as warn of a malfunction. If the tires are under-inflated or over-inflated, an error will be displayed on the remote control or an audible signal will appear.

      What is dangerous too high or, conversely, low pressure? The risk of an accident increases, the car begins to consume more fuel, in addition, the rubber wears out faster.

      Photo: Shutterstock

      The above devices operate on the same principle. Let's figure out how information about what tire pressure gets to the control panel.

      • Each wheel is equipped with a controller. It records tire pressure data.
      • Information is transmitted from the sensor to the transceiver with a frequency of 2-3 seconds . The controller transmits data using Bluetooth.
      • The program analyzes the received data, which should correspond to normal values ​​ . Otherwise, when the tires should be lowered a little, the program sends a signal to the car owner. Exactly according to the same principle, a signal is transmitted if the rubber needs to be pumped up.
      • Depending on the device, the error signals are sound, as well as light .
      • The driver can set the operating parameter limit himself . As a standard, the automaker makes it possible to adjust the device from 1.7–3. 2 bar.
      • On some car models, the TPMS system sends data to your phone.

      Consider how pressure is calculated by measuring instruments. Typically, the sensor performs a comparison of the angular rotation of the wheel. Knowing the value of this parameter, you can calculate the distance that the wheel will travel in one rotation.

      Obviously, if the tires are under-inflated or over-inflated, then the outer diameter of the wheel will be different. Visually, a person cannot determine this change. But the sensor notices even such changes. The system fixes non-compliance with the required parameters.

      Causes of tire pressure sensor activation

      The sensor will still respond, despite the fact that the wheel circumference has changed quite a bit. In this situation, it is necessary to find out what mechanical reason led to this. Only in this way can you eliminate the misinterpretation of the signals transmitted by the system. This can happen because:

      • Tire not inflated enough.
      • You have fitted a different wheel with a different shape, dimensions and tread.
      • A “spare wheel” was supplied, it also differs in parameters from other wheels.
      • Rubber has been punctured or torn.
      • There is an uneven load on the car, as a result the car is skewed to one side.
      • You have installed anti-skid chains on the wheels.
      • An overload of one of the axes has occurred; this happens when you are driving uphill or downhill, towing a trailer.

      Also, the TPMS system gives an error when you install new wheels or rearrange them.

      When, after these steps, a tire pressure error appeared, indicating unbalance, you should reset the settings, and then set the basic parameters. In this case, the control signal may remain even if the basic settings have been selected.

      Why such problems may occur:

      • Different tire pressures . Some wheel is under-inflated or vice versa.
      • The error occurs because a system crash has occurred . It will only be possible to reset it at the service station.
      • The indicator lights up when you operate the car using a sporty driving style, driving on ice, dirt road . At the same time, as soon as you drive out onto an asphalt surface or start driving calmly, the error disappears.

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      Velcro or spikes: which rubber is better for the Russian winter?

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      How to reset tire pressure error? To begin with, imagine that the TPMS system is working properly and the blinking light indicates a problem with the undercarriage of the machine. The first thing you should do is slowly release the gas. You can not brake sharply, turn the steering wheel. After the car has stopped, inspect the tires to make sure the rubber is not punctured or broken. Then you can check if the tire pressure is normal.

      Pay attention! The TPMS will not always show a tire pressure error. For example, if the tires are slowly deflating, the system will not inform you about the problem. In the same way, she will not notice the error if the tire pressure starts to drop rapidly. This usually happens when a tire ruptures. This feature of the TPMS system is explained by the specifics of identifying and counting nonconformities.

      However, in some cases, it happens that the TPMS system indicator is on, but the tires are in perfect condition. How to reset tire pressure error? We understand.

      A few simple ways to reset the tire pressure sensor error

      The complex TPMS system in some cases starts to work incorrectly. Usually, car owners observe the following picture: a tire pressure error is displayed on the display (the tire is underinflated), but in reality everything is fine with the wheel. You have to reset the tire pressure error. Otherwise, the TPMS system starts to work incorrectly.

      Photo: Shutterstock

      You also have to reset the tire pressure error when there is radio interference from high voltage power lines. Or when sources of radio signals are located in the immediate vicinity. But as soon as you move away from them, the pressure error disappears and the system begins to function properly.

      The reason for the malfunction may lie in the sensor, which is "failed". This damage cannot be easily repaired. How to reset a tire pressure error if the sensor flashes, while you hear a beep, lose your vigilance and find it difficult to drive a car? There are 4 ways to fix this problem.

      Method 1

      To reset the error, pick up a speed of 80 km / h and continue driving for another 15 kilometers.

      This method is the easiest to implement. If your car has this feature, then turn on the cruise control so that the speed does not change. Depending on the model of your car, you will be able to reset the tire pressure error at a speed that exceeds the specified one. After you cover a distance of 15-20 kilometers, maintaining the same speed of 80 km / h, make a stop. Turn off the motor. When you start it again, the tire pressure error will disappear.

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      Method 2

      Press the tire pressure monitoring system (TPMS) reset button on your car and you will be able to reset the error.

      It does not matter what type of low pressure warning system is used. In any case, there will be a sensor on each wheel of your car. Sometimes it may be necessary to reboot the touch system of the car. Read the owner's manual for the vehicle. It contains information on how to reset a tire pressure error. Most often, the instructions indicate which button to press to reset.

      The ignition key must be in the lock. No need to start the car, just turn it to the “on” (“ON”) position. Then press and hold the reset button, which may be under the steering wheel. We are waiting for the low pressure indicator to flash 3 times. After that, you can release the button. We start the car, it should work for 20 minutes. After this time, the computer will calibrate the sensors on the wheels. Now you can turn off the car.

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      Method 3

      Lower and then re-inflate the wheels.

      Failed to reset tire pressure error using the previous method? Then we inflate all tires to 0.2 bar, this is the pressure that should be according to the recommendations of car manufacturers. Did the error go away? Then we lower the pressure in the tires completely.

      Now we pump up the wheels again. The pressure in them should be the same as indicated on the driver's door pillar or in the car's operating instructions. When there are sensors on the wheels, you need to remember about the spare tire. Now you need to drive about 3-5 kilometers, adhering to a speed of 25 km per hour. So you can reset the tire pressure error.

      Method 4

      Remove the battery terminals and then connect it to reset the error.

      Each car has a computer that receives data from all kinds of vehicle sensors, including TPMS system sensors. However, any electronics can fail. To reset the error, you will have to reboot the system, for which you need to turn off the power.

      Photo: Shutterstock

      To do this, open the hood. The battery is located under the hood. Disconnect the negative terminal from it. To perform this operation, use a wrench. Then sit in the driver's seat, turn the key to the "ON" position, but do not start the car. Now you need to press the signal for 3 seconds. This will use up the energy that remains in the electrical system of the machine. Then reconnect the battery. This way you can reset the error.

      How to adjust the tire pressure sensors

      Sensors keep track of tire pressure. However, you need to be sure that they function properly. Of course, you do not need to constantly walk around with a special measuring device and find out the status of the sensors. It just needs to be calibrated from time to time.

      It is performed quite simply. The most important thing to remember is that, depending on the make and model of your car, for each wheel there are pressure parameters strictly defined by the manufacturer for winter and summer. These values ​​should be given to the sensors. How the installation and configuration will be performed depends on the controller used.

      • Mechanical controller . It is convenient to use. We just screw it in instead of the cap. Nothing else needs to be configured.
      • Electronic controller . The installation procedure will be more difficult, because the device has a control unit. It can work autonomously or you will need to connect it to the cigarette lighter. We turn on the device in the training mode. Then proceed according to the tuning algorithm that is set by the manufacturer. You will have to put the device on all wheels, starting from the left front. Once the installation is done, make sure that all gauges are correctly displayed on the monitor. Otherwise, you will have to rearrange them so that everything matches the parameters on the display.
      • Internal controller . Such devices are the most difficult to mount, because for this you will have to use special equipment for tire fitting. Experts do not recommend using the internal controller yourself. However, additional settings are not required if the data is read using the screen that is directly on the control system.

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      To prevent a tire pressure error from appearing, it is important to calibrate (adjust the TPMS system) every time a change is made. For example, when you installed a new set of wheels, repaired tires, did balancing, and the like. Using TPMS controllers is quite simple. The main thing is to read the instructions for use of the device. And make sure that the tire pressure is the one recommended by the car manufacturer.

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      Every car owner gets annoyed if the tire pressure error icon lights up on the dashboard.


      Learn more