Why does my 740i 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 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 740i xDrive engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my BMW 740i xDrive engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is 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 740i xDrive radiator?

While it’s not recommended, you can use water in your 740i 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 can cause a 740i xDrive engine to suddenly stop?

Your 740i xDrive car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who can repair my BMW 740i xDrive engine?

Your local Firestone Complete Auto Care has you covered with expert 740i xDrive engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2018 BMW 740i xDrive Engine Repair

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2018 BMW 740i xDrive Trim Options

Select your BMW 740i xDrive trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

L6/3.0L

2018 BMW 740i xDrive Repair

Stuff wears out. Even your BMW 740i xDrive's many parts and pieces. When something breaks, we're ready. Select a repair or category to learn more about 2018 BMW 740i xDrive services.

We Know BMW 740i xDrive Engines

BMW 740i xDrive drivers trust that their 740i xDrive will take them near and far. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 2018 BMW 740i xDrive engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service BMW 740i xDrive engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2018 BMW 740i xDrive

As soon as your 740i xDrive check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your fuel injection, Causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your 740i xDrive in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs it's time for BMW 740i xDrive engine service might include oil leaks, or a sinking feeling that something’s wrong.

BMW 740i xDrive Engine Repair

When your BMW 740i xDrive engine needs repairs, 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 service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, 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 740i xDrive engine repairs and you can feel confident knowing that we use BMW-approved parts and components like the cambelt, engine oil seal, ignition coil, or other parts.

Questions About 2018 BMW 740i xDrive Engines

Why does my 740i 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 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 740i xDrive engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my BMW 740i xDrive engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is 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 740i xDrive radiator? While it’s not recommended, you can use water in your 740i 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 can cause a 740i xDrive engine to suddenly stop? Your 740i xDrive car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who can repair my BMW 740i xDrive engine? Your local Firestone Complete Auto Care has you covered with expert 740i xDrive engine repair. Schedule an appointment today and see us at one of our thousands of locations.