Why does the check engine light come on when I start my 740i?

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my BMW engine sound different?

Strange engine sounds can be a sign something’s off in your BMW 740i. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. 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 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to 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 could cause my 740i engine to suddenly stop?

There are different reasons your 740i 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.

Where can I go for BMW 740i repair?

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

Reliable Repairs for 2015 BMW 740i Engines

Learn about

2015 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

Repairs for Your 2015 BMW 740i

Nothing stays the same forever. Even your BMW 740i'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 2015 BMW 740i.

We’re Trained to Care for BMW 740i Engines

BMW 740i drivers trust that their 740i 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. When they do, you might find yourself searching for 2015 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. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 2015 BMW 740i Check Engine Light Is On

As soon as your 740i 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 or emission control system that won’t go away on its own. Causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your 740i in for an on-board diagnostic check and our expert techs will get the root of the problem. rattling sounds, essential fluid leaks, or engine misfiring.

BMW 740i Engine Repair

If your 2015 740i engine needs repairs, 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 can wait, we'll let you know. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. Choose Firestone Complete Auto Care for BMW 740i engine repairs and you can drive easy knowing that we use BMW-approved parts and fluids — timing belt, engine oil seal, ignition coil, or other parts.

2015 BMW 740i Engine Q&A

Why does the check engine light come on when I start my 740i? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my BMW engine sound different? Strange engine sounds can be a sign something’s off in your BMW 740i. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. 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 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to 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 could cause my 740i engine to suddenly stop? There are different reasons your 740i 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.
Where can I go for BMW 740i repair? Your local Firestone Complete Auto Care offers BMW 740i engine repair. Schedule an appointment today at one of our thousands of locations nationwide!