Why does the check engine light in my 340i turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. This is just your 340i testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are BMW 340i engine noises bad?

Unusual noises can signal a problem with your BMW 340i engine. Tapping or knocking could mean you need an oil change. 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 a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 340i 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 put water in my BMW 340i radiator?

It’s not recommended you put water in your 340i 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 could cause my 340i engine to suddenly stop?

If your 340i car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who repairs BMW 340i engines?

Your local Firestone Complete Auto Care fixes BMW 340i engines. Book an appointment today! We have thousands of locations across the country.

2018 BMW 340i Engine Repair

Learn about

2018 BMW 340i Trim Options

Select your BMW 340i trim level to learn more about BMW-recommended engine repair. Even BMW 340i parts will get older and change.

L6/3.0L

Repairs for Your 2018 BMW 340i

Stuff wears out. Even your BMW 340i’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 2018 BMW 340i repairs.

We Know BMW 340i Engines

BMW 340i drivers trust that their 340i will take them near and far. 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. When they do, you might find yourself searching for 2018 BMW 340i engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your BMW 340i engine will be in good hands. 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 2018 BMW 340i

If your 340i 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 vehicle's ignition, Causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your 340i to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine rattling, oil leaks, or misfiring.

BMW 340i Engine Repair

If your 2018 340i engine needs repairs, 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 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. Turn to Firestone Complete Auto Care for your 2018 340i engine repairs and you can drive easy knowing that we use BMW-approved parts and fluids — serpentine belt, motor oil seal, ignition coil, or other parts.

Questions About 2018 BMW 340i Engines

Why does the check engine light in my 340i turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is just your 340i testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are BMW 340i engine noises bad? Unusual noises can signal a problem with your BMW 340i engine. Tapping or knocking could mean you need an oil change. 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 a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 340i 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 put water in my BMW 340i radiator? It’s not recommended you put water in your 340i 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 could cause my 340i engine to suddenly stop? If your 340i car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who repairs BMW 340i engines? Your local Firestone Complete Auto Care fixes BMW 340i engines. Book an appointment today! We have thousands of locations across the country.