Why does the check engine light in my M440i xDrive turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your M440i xDrive firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are BMW M440i xDrive engine noises bad?

Unusual noises can signal a problem with your BMW M440i xDrive engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal 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 M440i 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.

Is it okay to put water in my BMW M440i xDrive radiator?

While it’s not recommended, you can use water in your M440i 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 M440i xDrive engine to suddenly stop?

There are different reasons your M440i 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 M440i xDrive engines?

Your local Firestone Complete Auto Care offers BMW M440i xDrive engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Engine Repairs for Your 2021 BMW M440i xDrive

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2021 BMW M440i xDrive Trim Options

Select your BMW M440i xDrive trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

Repairs for Your 2021 BMW M440i xDrive

Nothing stays the same forever. Even your BMW M440i 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 2021 BMW M440i xDrive services.

We’re Trained to Care for BMW M440i xDrive Engines

BMW M440i xDrive drivers trust that their M440i xDrive will take them near and far. 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. If they do, you’ll have to find a dependable 2021 BMW service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know BMW M440i xDrive engines. 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.

Illuminated Check Engine Light on 2021 BMW M440i xDrive

If your M440i 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 or emission system that won't go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your M440i xDrive in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine rattling, oil leaks, or a sinking feeling that something’s wrong.

BMW M440i xDrive Engine Repair

If your 2021 M440i 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 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 seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for M440i xDrive engine repairs and you can feel confident knowing that we use BMW-approved parts and components like the cambelt, oil gasket, fuses, or other parts.

Engine Q&A 2021 BMW M440i xDrive

Why does the check engine light in my M440i xDrive turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your M440i xDrive firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are BMW M440i xDrive engine noises bad? Unusual noises can signal a problem with your BMW M440i xDrive engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal 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 M440i 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.
Is it okay to put water in my BMW M440i xDrive radiator? While it’s not recommended, you can use water in your M440i 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 M440i xDrive engine to suddenly stop? There are different reasons your M440i 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 M440i xDrive engines? Your local Firestone Complete Auto Care offers BMW M440i xDrive engine repair. Schedule an appointment today at one of our thousands of locations nationwide!