Why does my M850i xDrive’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. This is just your M850i xDrive testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my BMW M850i xDrive making engine noise?

Strange under-the-hood noises can point to problems within your BMW M850i xDrive engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW M850i xDrive engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my BMW M850i xDrive radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What could cause my M850i xDrive engine to suddenly stop?

If your M850i xDrive car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who can repair my BMW M850i xDrive engine?

Your local Firestone Complete Auto Care has you covered with expert M850i xDrive engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2023 BMW M850i xDrive

Learn about

2023 BMW M850i xDrive Trim Options

Select your BMW M850i xDrive trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

2023 BMW M850i xDrive Repair

Nothing lasts forever. Even your BMW M850i xDrive’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 2023 BMW M850i xDrive.

We Care for BMW M850i xDrive Engines

BMW M850i xDrive drivers trust that their M850i xDrive will take them near and far. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2023 BMW M850i xDrive engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service BMW M850i xDrive engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 2023 BMW M850i xDrive Check Engine Light Is On

As soon as your M850i xDrive check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your car’s ignition, Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your M850i xDrive in for an on-board diagnostic check and our expert techs will get the root of the problem. engine pinging noises, burning smells, or engine misfiring.

Engine Repairs for Your 2023 M850i xDrive

When your BMW M850i xDrive engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a repair can wait, we'll let you know. We'll also tell you if it's necessary for your safety. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for BMW M850i xDrive engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the timing chain or belt, engine oil seal, ignition coil, or other parts.

Engine Q&A 2023 BMW M850i xDrive

Why does my M850i xDrive’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. This is just your M850i xDrive testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my BMW M850i xDrive making engine noise? Strange under-the-hood noises can point to problems within your BMW M850i xDrive engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW M850i xDrive engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my BMW M850i xDrive radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What could cause my M850i xDrive engine to suddenly stop? If your M850i xDrive car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who can repair my BMW M850i xDrive engine? Your local Firestone Complete Auto Care has you covered with expert M850i xDrive engine repair. Schedule an appointment today and see us at one of our thousands of locations.