Why does my 740i’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your 740i firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my BMW 740i making engine noise?

Unusual noises can signal a problem with your BMW 740i engine. Knocking or tapping could be a symptom of low 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 could be a sign that something is wrong with your brakes — not the engine.

What could damage my BMW 740i engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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 radiator?

It’s not recommended you put water in your 740i 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 740i to suddenly stop?

Reasons your 740i car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who can repair my BMW 740i engine?

Your local Firestone Complete Auto Care fixes BMW 740i engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 2014 BMW 740i

Learn about

2014 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.

Repairs for Your 2014 BMW 740i

Stuff wears out. Even your BMW 740i’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 2014 BMW 740i services.

We Care for BMW 740i Engines

BMW 740i drivers trust that their 740i 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! Sometimes plans go sideways. When they do, you might find yourself searching for 2014 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 more than 500 million vehicles since 1926, and our technicians know BMW 740i 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.

Check Engine Light on 2014 BMW 740i

As soon as your 740i check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your car’s ignition, Potential causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your 740i to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. rattling sounds, essential fluid leaks, or a sinking feeling that something’s wrong.

2014 740i Engine Services

When your BMW 740i engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. If a repair isn’t urgent right now, we’ll let you know. We'll also tell you if it's necessary for your safety. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for BMW 740i engine repairs and you can feel confident knowing that we use BMW-approved parts and components like the serpentine belt, oil gasket, ignition coil, or a different component.

Questions About 2014 BMW 740i Engines

Why does my 740i’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your 740i firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my BMW 740i making engine noise? Unusual noises can signal a problem with your BMW 740i engine. Knocking or tapping could be a symptom of low 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage my BMW 740i engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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 radiator? It’s not recommended you put water in your 740i 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 740i to suddenly stop? Reasons your 740i car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who can repair my BMW 740i engine? Your local Firestone Complete Auto Care fixes BMW 740i engines. Book an appointment today! We have thousands of locations across the country.