Why does the check engine light in my 640i 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 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my BMW 640i making engine noise?

Strange under-the-hood noises can point to problems within your BMW 640i engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 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.

Is it okay to put water in my BMW 640i radiator?

While it’s not recommended, you can use water in your 640i 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 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.

Who can repair my BMW 640i engine?

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

2012 BMW 640i Engine Repair

Learn about

2012 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.

BMW 640i Repairs and Services

Nothing stays the same forever. Even your BMW 640i’s engine parts and components will change. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2012 BMW 640i.

We Know BMW 640i Engines

BMW 640i engines are known for their reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 2012 BMW 640i engine repairs. 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 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 2012 BMW 640i

If your 640i check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your or emission system that won't go away on its own. Possible causes can include a failing oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your 640i in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs your BMW 640i engine needs some TLC are burning smells, or misfiring.

Engine Repairs for Your 2012 640i

When your BMW 640i engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, we’ll let 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. Choose Firestone Complete Auto Care for BMW 640i engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the timing belt, engine oil seal, sensors, or another part.

Questions About 2012 BMW 640i Engines

Why does the check engine light in my 640i 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 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my BMW 640i making engine noise? Strange under-the-hood noises can point to problems within your BMW 640i engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 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.
Is it okay to put water in my BMW 640i radiator? While it’s not recommended, you can use water in your 640i 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 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.
Who can repair my BMW 640i engine? Your local Firestone Complete Auto Care has you covered with expert 640i engine repair. Schedule an appointment today and see us at one of our thousands of locations.