Why does my M550i 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. It’s just your M550i xDrive firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my BMW M550i xDrive making engine noise?

Unusual noises can signal a problem with your BMW M550i xDrive engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my BMW M550i xDrive engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Can I put water in my BMW M550i xDrive radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your M550i xDrive when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What could cause my M550i xDrive engine to suddenly stop?

If your M550i 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 M550i xDrive engine?

Your local Firestone Complete Auto Care fixes BMW M550i xDrive engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 2021 BMW M550i xDrive

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2021 BMW M550i xDrive Trim Options

Select your BMW M550i xDrive trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

V8/4.4L

BMW M550i xDrive Repairs and Services

Nothing stays the same forever. Even your BMW M550i 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 2021 BMW M550i xDrive.

We Know BMW M550i xDrive Engines

The BMW M550i xDrive is respected for its reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2021 BMW M550i xDrive engine repairs. That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your BMW M550i xDrive engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 2021 BMW M550i xDrive Check Engine Light Is On

An illuminated check engine light on your BMW M550i 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 combustion, Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your M550i xDrive in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine pinging noises, oil leaks, or misfiring.

2021 M550i xDrive Engine Services

If your 2021 M550i xDrive engine needs repairs, 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 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 M550i xDrive engine repairs and you can feel confident knowing that we use BMW-approved parts and components like the timing chain or belt, valve guide seal, sensors, or a different component.

2021 BMW M550i xDrive Engine Q&A

Why does my M550i 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. It’s just your M550i xDrive firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my BMW M550i xDrive making engine noise? Unusual noises can signal a problem with your BMW M550i xDrive engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my BMW M550i xDrive engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my BMW M550i xDrive radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your M550i xDrive when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What could cause my M550i xDrive engine to suddenly stop? If your M550i 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 M550i xDrive engine? Your local Firestone Complete Auto Care fixes BMW M550i xDrive engines. Book an appointment today! We have thousands of locations across the country.