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

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 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 may be caused by a loose fan belt, and grinding might be coming from the 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, revving the engine while still 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 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 can cause a 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.

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!

Engine Repairs for Your 2021 BMW 740i

Learn about

2021 BMW 740i Trim Options

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

L6/3.0L

2021 BMW 740i Repair

Nothing lasts forever. Even your BMW 740i's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 2021 BMW 740i repairs.

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! Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2021 BMW 740i engine repairs. That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your BMW 740i engine will be in good hands. 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 740i Check Engine Light Is On

If your 740i check engine light is on, it’s time to get it looked at. 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, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your 740i issues diagnosed and we’ll figure out why that check engine light is giving you grief. rattling sounds, oil leaks, or engine misfiring.

BMW 740i Engine Repair

When your BMW 740i engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a repair can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. 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 good knowing that we only use BMW-compliant replacement parts such as the cambelt, valve guide seal, fuses, or another part.

Engine Q&A 2021 BMW 740i

Why does the check engine light come on when I start my 740i? 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 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 may be caused by a loose fan belt, and grinding might be coming from the 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, revving the engine while still 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 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 can cause a 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.
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!