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

Are BMW M550i xDrive engine noises bad?

Strange under-the-hood noises can point to problems within your BMW M550i xDrive engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my BMW M550i xDrive engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my BMW M550i xDrive radiator?

It’s not recommended you put water in your M550i xDrive radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

What can cause the engine in my M550i xDrive 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 repairs BMW M550i xDrive engines?

Your local Firestone Complete Auto Care has you covered with expert M550i xDrive engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2018 BMW M550i xDrive Engine Repair

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2018 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

Repairs for Your 2018 BMW M550i xDrive

Nothing stays the same forever. Even your BMW M550i xDrive's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2018 BMW M550i xDrive services.

We Know BMW M550i xDrive Engines

BMW M550i xDrive engines are known for their reliability. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. When they do, you might find yourself searching for 2018 BMW M550i xDrive engine repair or replacement parts. 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. Schedule an appointment if you're experiencing problems that could require engine repair. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 2018 BMW M550i xDrive Check Engine Light Is On

If your M550i xDrive check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your fuel injection, Possible causes can include a failing oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your M550i xDrive in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. engine rattling, essential fluid leaks, or a sinking feeling that something’s wrong.

2018 M550i xDrive Engine Services

If your 2018 BMW M550i xDrive needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure 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. Turn to Firestone Complete Auto Care for your 2018 M550i xDrive engine repairs and you can drive easy knowing that we use BMW-approved parts and fluids — timing belt, engine oil seal, ignition coil, or a different component.

Engine Q&A 2018 BMW M550i xDrive

Why does my M550i 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 just your M550i xDrive testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are BMW M550i xDrive engine noises bad? Strange under-the-hood noises can point to problems within your BMW M550i xDrive engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my BMW M550i xDrive engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my BMW M550i xDrive radiator? It’s not recommended you put water in your M550i xDrive radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
What can cause the engine in my M550i xDrive 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 repairs BMW M550i xDrive engines? Your local Firestone Complete Auto Care has you covered with expert M550i xDrive engine repair. Schedule an appointment today and see us at one of our thousands of locations.