Knowing the Drivetrain Malfunction BMW warning’s meaning can make it easier to avoid problems. A warning message about a malfunctioning drivetrain or sign on the BMW indicates an engine or transmission problem detected by the vehicle’s Engine Control Module ECM.
The Engine Control Module is often called Digital Motor Electronics – DME, also known as Engine Control Unit – ECU. When the BMW’s computerized system detects a problem with the drivetrain, the Engine Control Module will automatically limit the maximum torque output of the car to protect against any potential damage.
What Should You Do If Your BMW Drivetrain Fails?
BMW vehicles may display the fault with the drive train on your dashboard. We discuss the reasons for this problem and suggest solutions to bring BMW returning to normal. Modern cars have auto-monitoring systems that identify any problems or malfunctions within your vehicle. For us, BMWs are no different. And if there is a problem with your car, you’ll be informed of the issue by a fault warning indicator on your dashboard.
The most frequent issue we get discussed is Drivetrain Malfunction BMW drive train issues. This issue should be treated with seriousness because if you don’t address it, it’s a problem that could lead to costly repairs. However, the issue of a BMW drive train problem will not necessarily cause the car’s breakdown. If you take action swiftly, the case can typically be addressed without causing too much disruption.
Also read: What Does BWM Mean?
Common Symptoms Drivetrain Malfunction
The symptoms could differ depending on the issue that led to the error; these are the most common symptoms BMW owners typically observe:
- Failure of the drivetrain error message displayed appearing on the iDrive screen
- The car begins to shake.
- Check engine light is on.
- Vehicle stops or dies while idle or on gear (D)
- Smoke coming out of the exhaust
- The vehicle idles rough
- Transmission stuck in gear.
- The drivetrain was malfunctioning while trying to get on the highway.
- The drivetrain fails, and the car won’t start.
In most instances, you will notice that your BMW will cease to run, the engine could be shaky or dead, and the transmission may be in limp default condition (can’t move gears).
Common Issues That Lead to Drivetrain Malfunction BMW Issues
Engine fires are the most common. The primary reason behind that is that the BMW failure of the drive train drive problem is moderately apparent. It happens at periods of intense acceleration.
Even though any engine could fail to start without causing a significant problem, it’s safer to be cautious in the event of a problem. Before replacing any component is also a good idea to know and comprehend the codes that cause the pain or speak to your mechanic to determine the best next step for your BMW.
Here are a few parts that you might need to replace in case of an issue with the drivetrain on BMW automobiles.
1. Spark Plugs
If you own an older BMW car with a drive moderately problem this first time in its history, the vehicle needs replacement spark plugs. When they are too old to function correctly, the warning is triggered for you to observe.
It is not a good idea to replace just one spark plug. It is recommended that they all be returned in the same way with the recommended parts from your mechanic or dealer.
2. Ignition Coils
Incorrect ignition coils can cause engine malfunctions. This is why it’s the most common cause of the moderately drivable problem that develops. When you check an engine, you may have a frequent malfunction on a specific machine. This indicates that an ignition switch used for the particular cylinder is defective. It is possible to determine if this is the scenario by switching the coils to another coil. If the scanner is now saying that the issue is present in the new one, you’ll know what must be changed.
3. Fuel Pump
If your BMW drive train is not working correctly, and the issue occurs when you accelerate rapidly, it could be because of an insufficient fuel pump giving the correct pressure to provide the experience.
It is possible that you will not receive warnings in normal driving conditions. If it’s only in a fast acceleration profile, you should stay clear of situations where this driving conduct is needed. If it happens on every brutal acceleration, it’s the right time to replace this component.
4. Catalytic Converter
The catalytic converter in some BMW automobiles can be clogged due to leftover substances from exhaust gasses. Although it’s feasible that this issue can occur on any model, it’s typically older vehicles that see this issue the most.
This problem is if you own high mileage BMW. Because the blockage restricts exhaust gasses, the only choice is to clean the part or replace it with an entirely new one. In most cases in this scenario, the dealer or mechanic recommends the second option.
5. Fuel Quality
If you have purchased fuel with low-octane for your vehicle, It could be the reason for your BMW drive train failure. Drive moderately.
Most BMWs will perform better if you fuel the tank with a 93-octane level or higher fuel. If the fuel option you want isn’t available, it’s helpful to use an octane booster to increase the fuel efficiency to a suitable level to improve the performance of your car.
It provides three to four points on the scale of octane, which means it can transform 90-octane products into the amount of fuel needed for your car to run without activating the warning.
6. Fuel Injectors
If the fuel injection system is blocked or damaged, the fuel injectors can cause the BMW car to drive with less power. The standard suggestion is to replace all fuel injectors in your vehicle once to ensure that your performance stays constant. If all injectors are new, you may be able to do away by replacing the defective one.
Also read: What Engine Does A BMW 1999 Have?
How to Reset Drivetrain Malfunction BMW?
Don’t be afraid when you notice a Drivetrain Malfunction BMW in your dashboard. Here is a step-by-step guide to fixing it:
Restart the Engine
When the warning light appears, it is time to shut off the engine and restart. If you’re driving, you must find an appropriate spot in which you can pull over to identify the issue. Switch off your car’s ignition and remove the key. The engine should sit for at least five minutes. Start the engine again.
In most cases, it could result in a BMW drivetrain malfunction that is reset. If not, you should proceed to the next stage because you may face the issue more seriously.
Check the Engine
If the issue persists If the problem persists, it is time to check beneath the hood. Release the hood release lever that is located underneath the dashboard. Go outside and lift the hood. Before you do this, be sure that your engine has cooled and that you park in a place that won’t cause any disturbance to other drivers.
If you examine the engine, be sure to look for any signs of unusual. There could be damaged components that cause a problem with the drivetrain. It is also essential to look for leaks in oil or fluids.
Use a Scanner to Diagnose the Problem
If you cannot determine the source of the issue, try using the OBD II scanner. This tool can show various error codes to identify the problem in your BMW drivetrain.
Find look for the OBD II scanner port in the dashboard. Plug into the device. Start the engine but do not begin the engine. Switch on your OBD II scanner and choose the BMW code. Check the code, and read the manual to understand what it signifies. Take action based on the situation.
Also read: How Long do Bmw Last?