Why does the check engine light in my 540i 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 540i testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are BMW 540i engine noises bad?

Strange engine sounds can be a sign something’s off in your BMW 540i. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage my BMW 540i engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my BMW 540i radiator?

It’s not recommended you put water in your 540i 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 can cause the engine in my 540i to suddenly stop?

Your 540i car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who fixes BMW 540i engines?

Your local Firestone Complete Auto Care fixes BMW 540i engines. Book an appointment today! We have thousands of locations across the country.

2021 BMW 540i Engine Repair

Learn about

2021 BMW 540i Trim Options

Select your BMW 540i trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

L6/3.0L

Repairs for Your 2021 BMW 540i

Stuff wears out. Even your BMW 540i's many parts and pieces. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 2021 BMW 540i.

We Care for BMW 540i Engines

BMW 540i engines are known for their reliability. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2021 BMW 540i engine repairs. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your BMW 540i engine will be in good hands. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2021 BMW 540i

If your 540i check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your fuel injection, Causes may include a faulty 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 540i to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. rattling sounds, burning smells, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2021 540i

If your 2021 BMW 540i needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. If a repair isn’t urgent right now, 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 2021 540i engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the serpentine belt, oil gasket, fuses, or a different component.

2021 BMW 540i Engine Q&A

Why does the check engine light in my 540i 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 540i testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are BMW 540i engine noises bad? Strange engine sounds can be a sign something’s off in your BMW 540i. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage my BMW 540i engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my BMW 540i radiator? It’s not recommended you put water in your 540i 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 can cause the engine in my 540i to suddenly stop? Your 540i car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes BMW 540i engines? Your local Firestone Complete Auto Care fixes BMW 540i engines. Book an appointment today! We have thousands of locations across the country.