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

It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my BMW engine sound different?

Strange engine sounds can be a sign something’s off in your BMW M850i xDrive. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

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

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

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.

Why did my M850i xDrive engine suddenly stop?

There are different reasons your M850i xDrive vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who repairs BMW M850i xDrive engines?

Your local Firestone Complete Auto Care fixes BMW M850i xDrive engines. Book an appointment today! We have thousands of locations across the country.

2020 BMW M850i xDrive Engine Repair

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2020 BMW M850i xDrive Trim Options

Select your BMW M850i xDrive trim level to learn more about BMW-recommended engine repair. Even BMW M850i xDrive parts will get older and change.

V8/4.4L

Repairs for Your 2020 BMW M850i xDrive

Nothing stays the same 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 2020 BMW M850i xDrive.

We Know BMW M850i xDrive Engines

BMW M850i xDrive engines are known for their reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2020 BMW M850i xDrive engine repairs. That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your BMW M850i xDrive engine will be in good hands. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2020 BMW M850i xDrive

An illuminated check engine light on your BMW M850i xDrive is one of the first signs it's time to 'brake' for engine service. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission system that won't go away on its own. Potential causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your M850i xDrive to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs your BMW M850i xDrive engine needs some TLC are essential fluid leaks, or engine misfiring.

BMW M850i xDrive Engine Repair

If your 2020 BMW M850i xDrive needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. If a repair isn’t urgent right now, we’ll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for M850i xDrive engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the cambelt, motor oil seal, fuses, or a different component.

Questions About 2020 BMW M850i xDrive Engines

Why does my M850i xDrive’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my BMW engine sound different? Strange engine sounds can be a sign something’s off in your BMW M850i xDrive. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW M850i xDrive engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
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.
Why did my M850i xDrive engine suddenly stop? There are different reasons your M850i xDrive vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who repairs BMW M850i xDrive engines? Your local Firestone Complete Auto Care fixes BMW M850i xDrive engines. Book an appointment today! We have thousands of locations across the country.