Why does the check engine light in my 540i turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your 540i firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my BMW 540i making engine noise?

Strange under-the-hood noises can point to problems within your BMW 540i engine. 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 coming from the brakes, not the engine.

What could damage my BMW 540i engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I add water to my BMW 540i radiator?

While it’s not recommended, you can use water in your 540i 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.

Why did my 540i engine suddenly stop?

There are different reasons your 540i 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.

Who can repair my BMW 540i engine?

For BMW 540i 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 2018 BMW 540i Engines

Learn about

2018 BMW 540i Trim Options

Select your BMW 540i trim level to learn more about BMW-recommended engine repair. Even BMW 540i parts will get older and change.

L6/3.0L

BMW 540i Repairs and Services

Stuff wears out. Even your BMW 540i’s engine parts and components will change. 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 2018 BMW 540i.

We Care for BMW 540i Engines

BMW 540i drivers trust that their 540i will take them near and far. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. If they do, you’ll have to find a dependable 2018 BMW service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know BMW 540i 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 2018 BMW 540i

As soon as your 540i check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your car’s ignition, Possible causes can include a failing oxygen sensor, bad spark plug, issues with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your 540i issues diagnosed and we’ll figure out why that check engine light is giving you grief. rattling sounds, burning smells, or misfiring.

Engine Repairs for Your 2018 540i

When your BMW 540i engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. 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 give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 2018 540i engine repairs and you can drive easy knowing that we use BMW-approved parts and fluids — cambelt, valve guide seal, sensors, or a different component.

2018 BMW 540i Engine Q&A

Why does the check engine light in my 540i turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your 540i firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my BMW 540i making engine noise? Strange under-the-hood noises can point to problems within your BMW 540i engine. 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 coming from the brakes, not the engine.
What could damage my BMW 540i engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I add water to my BMW 540i radiator? While it’s not recommended, you can use water in your 540i 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.
Why did my 540i engine suddenly stop? There are different reasons your 540i 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.
Who can repair my BMW 540i engine? For BMW 540i 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.