Why does the check engine light in my M440i 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 M440i testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my BMW engine sound different?

Unusual noises can signal a problem with your BMW M440i engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my BMW M440i 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my BMW M440i radiator?

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

There are different reasons your M440i 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 engines?

Your local Firestone Complete Auto Care fixes BMW M440i engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 2021 BMW M440i

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2021 BMW M440i Trim Options

Select your BMW M440i trim level to learn more about BMW-recommended engine repair. Even BMW M440i parts will get older and change.

BMW M440i Repairs and Services

Stuff wears out. Even your BMW M440i's many parts and pieces. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2021 BMW M440i.

We Know BMW M440i Engines

The BMW M440i is respected for its reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go wrong on the road. If they do, you’ll have to find a dependable 2021 BMW service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know BMW M440i engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2021 BMW M440i Check Engine Light Is On

An illuminated check engine light on your BMW M440i is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your combustion, Causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your M440i to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine rattling, burning smells, or misfiring.

Engine Repairs for Your 2021 M440i

If your 2021 BMW M440i 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 M440i engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the serpentine belt, valve guide seal, ignition coil, or other parts.

Questions About 2021 BMW M440i Engines

Why does the check engine light in my M440i 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 M440i testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my BMW engine sound different? Unusual noises can signal a problem with your BMW M440i engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my BMW M440i 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my BMW M440i radiator? While it’s not recommended, you can use water in your M440i 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 engine to suddenly stop? There are different reasons your M440i 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 engines? Your local Firestone Complete Auto Care fixes BMW M440i engines. Book an appointment today! We have thousands of locations across the country.