Why does the check engine light in my 740i turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. 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 is my BMW 740i making engine noise?

Strange under-the-hood noises can point to problems within your BMW 740i engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have 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 a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 740i engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I add water to my BMW 740i radiator?

While it’s not recommended, you can use water in your 740i 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.

Why did my 740i engine suddenly stop?

If your 740i 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 740i engine?

Your local Firestone Complete Auto Care offers BMW 740i engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

2012 BMW 740i Engine Repair

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2012 BMW 740i Trim Options

Select your BMW 740i trim level to learn more about BMW-recommended engine repair. Even BMW 740i parts will get older and change.

L6/3.0L

2012 BMW 740i Repair

Stuff wears out. Even your BMW 740i's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2012 BMW 740i services.

We’re Trained to Care for BMW 740i Engines

The BMW 740i is respected for its reliability. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. When they do, you might find yourself searching for 2012 BMW 740i engine repair or replacement parts. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service BMW 740i 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.

Illuminated Check Engine Light on 2012 BMW 740i

An illuminated check engine light on your BMW 740i is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your combustion, Potential causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your 740i issues diagnosed and our expert techs will get the root of the problem. Other signs your BMW 740i engine needs some TLC are burning smells, or misfiring.

Engine Repairs for Your 2012 740i

If your 2012 BMW 740i 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 repair isn’t urgent right now, we’ll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 2012 740i engine repairs and you can feel confident knowing that we use BMW-approved parts and components like the timing chain or belt, oil gasket, fuses, or a different component.

2012 BMW 740i Engine Q&A

Why does the check engine light in my 740i turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. 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 is my BMW 740i making engine noise? Strange under-the-hood noises can point to problems within your BMW 740i engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have 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 a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 740i engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I add water to my BMW 740i radiator? While it’s not recommended, you can use water in your 740i 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.
Why did my 740i engine suddenly stop? If your 740i 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 740i engine? Your local Firestone Complete Auto Care offers BMW 740i engine repair. Schedule an appointment today at one of our thousands of locations nationwide!