Where to Fix Your BMW’s BST Problem in Carrollton

BMWs offer the best in driving performance. They are designed to be pleasing to the eye and they are loads of fun to drive. However, if you have had the unfortunate luck of having an accident in your BMW, there is a chance that your car won’t start following a collision. This is a common issue caused by the BMW battery safety terminal sensor, also known as the BST sensor. Let’s take a look at this sensor and what to do when it fails.

BMW Car Accident

What is the BST sensor?

The battery safety terminal (BST) sensor is a safety feature that was put into place to reduce the risk of a short circuit in the event of an accident. The BST sensor is part of the battery positive clamp that is attached to the battery post. If you are involved in an accident, this safety device is designed to disconnect the battery for your safety and that of your BMW. The BST design is a good idea, since it can reduce the chance of an engine fire and save lives. However, the slightest impact, such as hitting a curb, could cause the sensor to disconnect the battery unnecessarily.

Symptoms of Faulty Battery Safety Terminal Sensor

Symptoms include:

  • Your BMW won’t start, particularly following a collision.
  • Your vehicle will not start after the airbags deployed or if the airbag light is illuminated.

If you were in an accident and are unable to start your BMW, check your battery cables to make sure that they are not loose. If the BST sensor was triggered, it would have disconnected the positive cable to your battery.

Replacing Your BST Sensor

If your battery safety terminal sensor was triggered, you need to have it replaced. Many people have taken it upon themselves to bypass the sensor by adding a resistor. We do not recommend this for several reasons. By doing so, you are removing an important safety feature that has been put in place to keep you and your passengers safe and to prevent further damage to your BMW. If the BST sensor is bypassed and you are in an accident, the battery will not disconnect. This raises your chance of having a car fire due to a battery short which can put everyone near your car in jeopardy.

We Are Here to Help

BST sensors are inexpensive, and changing them doesn’t take long. Our factory-trained BMW Level 1 Master Certified Technicians can take care of your sensor issue quickly and safely. Do not take your BMW to a mechanic that is going to bypass the system. Stay safe and have it done correctly.

We can get you in and out of our shop much quicker than a dealership, and we can beat their prices every time. Dealerships tend to make you feel as though any work that is done on your car has to be performed by their employees. This is not the case. By law, you can have your work performed by a qualified mechanic using appropriate parts, and the dealership must continue to honor its new-car warranty.

We Offer Complete BMW Maintenance in Carrollton

At Ultimate Bimmer Service we are fully equipped with the latest 3rd-generation BMW advanced diagnostics technology and software reprogramming. Having this technology allows us to provide the most precise services possible. Our technicians have the latest tools and equipment available at their fingertips.

We are Dallas’ Premier Independent BMW Repair and Service Center

At Ultimate Bimmer Service, we have over 30 years of experience in BMW service and repairs. Our technicians are extremely knowledgeable and love BMWs. No matter what type of issue you are experiencing, you can count on us to get it fixed right the first time.

Ultimate Bimmer Service is an independent BMW shop. Our technicians always provide the best customer service and will treat your car as if it was their own. Since we have a lower overhead than dealerships, we are able to provide pricing that is extremely competitive. We don’t have to charge excessive amounts to keep our doors open. This allows us to service your vehicles at a lower cost and save you money.

Book an Appointment Today

If you are in the Carrolton or Dallas, TX BMW BST Problem Check areas and are having issues with your BMW’s battery safety terminal or are in need of regular maintenance, give us a call today. You can reach our office at 972-418-1800. You can also stop by and see us at 1700 Surveyor Boulevard, Suite 114.

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