Why does the check engine light in my M850i xDrive turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. This is just your M850i xDrive testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are BMW M850i xDrive engine noises bad?

Strange under-the-hood noises can point to problems within your BMW M850i xDrive engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage my BMW M850i xDrive engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my BMW M850i xDrive radiator?

While it’s not recommended, you can use water in your M850i xDrive radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have 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 fixes BMW M850i xDrive engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 2024 BMW M850i xDrive Engines

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2024 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.

BMW M850i xDrive Repairs and Services

Stuff wears out. Even your BMW M850i xDrive’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 2024 BMW M850i xDrive repairs.

We’re Trained to Care for BMW M850i xDrive Engines

The BMW M850i xDrive is respected for its reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. When they do, you might find yourself searching for 2024 BMW M850i xDrive engine repair or replacement parts. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced more than 500 million vehicles since 1926, and our technicians know BMW M850i xDrive engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2024 BMW M850i xDrive Check Engine Light Is On

If your M850i xDrive check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your fuel injection, Causes may include a faulty oxygen sensor, worn spark plug, a problem 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 we'll determine exactly why your check engine light is on. Other signs your BMW M850i xDrive engine needs some TLC are burning smells, or a sinking feeling that something’s wrong.

2024 M850i xDrive Engine Services

If your 2024 BMW M850i xDrive needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. If a service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to give you all the details you need to make an informed decision about your engine repairs. 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 belt, motor oil seal, fuses, or another part.

2024 BMW M850i xDrive Engine Q&A

Why does the check engine light in my M850i xDrive turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is just your M850i xDrive testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are BMW M850i xDrive engine noises bad? Strange under-the-hood noises can point to problems within your BMW M850i xDrive engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage my BMW M850i xDrive engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my BMW M850i xDrive radiator? While it’s not recommended, you can use water in your M850i xDrive radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have 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 fixes BMW M850i xDrive engines. Book an appointment today! We have thousands of locations across the country.