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

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 go off shortly. Bring your vehicle in if it doesn't.

Why is my BMW 640i xDrive making engine noise?

Strange engine sounds can be a sign something’s off in your BMW 640i xDrive. Tapping or knocking could mean you're low on 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 might be a sign of brake problems rather than engine issues.

What could damage a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 640i xDrive 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I add water to my BMW 640i xDrive radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What could cause my 640i xDrive engine to suddenly stop?

There are different reasons your 640i xDrive 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 640i xDrive repair?

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

Engine Repairs for Your 2014 BMW 640i xDrive

Learn about

2014 BMW 640i xDrive Trim Options

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

2014 BMW 640i xDrive Repair

Nothing stays the same forever. Even your BMW 640i xDrive's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2014 BMW 640i xDrive services.

We Know BMW 640i xDrive Engines

BMW 640i xDrive drivers trust that their 640i xDrive will take them near and far. 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 sideways sometimes. If they do, you’ll have to find a dependable 2014 BMW service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know BMW 640i xDrive engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 2014 BMW 640i xDrive Check Engine Light Is On

An illuminated check engine light on your BMW 640i xDrive is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your fuel injection, Possible causes can include a failing oxygen sensor, damaged spark plug, a clogged catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your 640i xDrive in for an on-board diagnostic check and our expert techs will get the root of the problem. engine pinging noises, burning smells, or misfiring.

BMW 640i xDrive Engine Repair

If your 2014 BMW 640i xDrive needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. 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 give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for 640i xDrive engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the timing belt, oil gasket, fuses, or another part.

2014 BMW 640i xDrive Engine Q&A

Why does the check engine light in my 640i xDrive turn on when I start my car? 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 go off shortly. Bring your vehicle in if it doesn't.
Why is my BMW 640i xDrive making engine noise? Strange engine sounds can be a sign something’s off in your BMW 640i xDrive. Tapping or knocking could mean you're low on 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 might be a sign of brake problems rather than engine issues.
What could damage a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 640i xDrive 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I add water to my BMW 640i xDrive radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What could cause my 640i xDrive engine to suddenly stop? There are different reasons your 640i xDrive 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 640i xDrive repair? Your local Firestone Complete Auto Care has you covered with expert 640i xDrive engine repair. Schedule an appointment today and see us at one of our thousands of locations.