Why does the check engine light in my 640i Gran Coupe turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your 640i Gran Coupe testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are BMW 640i Gran Coupe engine noises bad?

Strange under-the-hood noises can point to problems within your BMW 640i Gran Coupe engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my BMW 640i Gran Coupe 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my BMW 640i Gran Coupe radiator?

While it’s not recommended, you can use water in your 640i Gran Coupe 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 the engine in my 640i Gran Coupe to suddenly stop?

If your 640i Gran Coupe car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Where can I go for BMW 640i Gran Coupe repair?

Your local Firestone Complete Auto Care has you covered with expert 640i Gran Coupe engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2018 BMW 640i Gran Coupe Engine Repair

Learn about

2018 BMW 640i Gran Coupe Trim Options

Select your BMW 640i Gran Coupe trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

L6/3.0L

BMW 640i Gran Coupe Repairs and Services

Nothing stays the same forever. Even your BMW 640i Gran Coupe's many parts and pieces. We’re here to help when something stops working. Click on a repair below to learn more about 2018 BMW 640i Gran Coupe repairs.

We Know BMW 640i Gran Coupe Engines

The BMW 640i Gran Coupe is respected for its reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If they do, you’ll have to find a dependable 2018 BMW service center — quick! 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 640i Gran Coupe engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. 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 640i Gran Coupe

As soon as your 640i Gran Coupe 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. Potential causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your 640i Gran Coupe to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. Other signs it's time for BMW 640i Gran Coupe engine service might include essential fluid leaks, or engine misfiring.

Engine Repairs for Your 2018 640i Gran Coupe

If your 2018 BMW 640i Gran Coupe needs engine repair, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a service can wait, we’ll make sure you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to provide you with the information you need to make an informed engine repair decision. Turn to Firestone Complete Auto Care for your 2018 640i Gran Coupe engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the cambelt, oil gasket, fuses, or a different component.

Questions About 2018 BMW 640i Gran Coupe Engines

Why does the check engine light in my 640i Gran Coupe turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your 640i Gran Coupe testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are BMW 640i Gran Coupe engine noises bad? Strange under-the-hood noises can point to problems within your BMW 640i Gran Coupe engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my BMW 640i Gran Coupe 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my BMW 640i Gran Coupe radiator? While it’s not recommended, you can use water in your 640i Gran Coupe 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 the engine in my 640i Gran Coupe to suddenly stop? If your 640i Gran Coupe car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Where can I go for BMW 640i Gran Coupe repair? Your local Firestone Complete Auto Care has you covered with expert 640i Gran Coupe engine repair. Schedule an appointment today and see us at one of our thousands of locations.