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

It's okay if your check engine light comes on when you first start your vehicle. It’s just your 640i firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my BMW engine sound different?

Strange under-the-hood noises can point to problems within your BMW 640i engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. 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 640i 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. Steer clear of these habits to help protect engine performance and efficiency.

Can I add water to my BMW 640i radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your 640i when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a 640i engine to suddenly stop?

Your 640i car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for BMW 640i repair?

For BMW 640i engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Reliable Repairs for 2014 BMW 640i Engines

Learn about

2014 BMW 640i Trim Options

Select your BMW 640i trim level to learn more about BMW-recommended engine repair. Even BMW 640i parts will get older and change.

Repairs for Your 2014 BMW 640i

Nothing lasts forever. Even your BMW 640i's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2014 BMW 640i services.

We Care for BMW 640i Engines

BMW 640i engines are known for their reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go wrong on the road. When they do, you might find yourself searching for 2014 BMW 640i 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 640i engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. 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 640i

As soon as your 640i 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 system, and it won’t go away by ignoring it. Causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your 640i issues diagnosed and our expert techs will get the root of the problem. Other signs it's time for BMW 640i engine service might include burning smells, or misfiring.

BMW 640i Engine Repair

When your BMW 640i 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 service can wait, we’ll make sure 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. Turn to Firestone Complete Auto Care for your 2014 640i engine repairs and you can feel confident knowing that we use BMW-approved parts and components like the cambelt, oil gasket, fuses, or a different component.

2014 BMW 640i Engine Q&A

Why does the check engine light in my 640i turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. It’s just your 640i firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my BMW engine sound different? Strange under-the-hood noises can point to problems within your BMW 640i engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. 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 640i 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. Steer clear of these habits to help protect engine performance and efficiency.
Can I add water to my BMW 640i radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your 640i when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a 640i engine to suddenly stop? Your 640i car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for BMW 640i repair? For BMW 640i engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.