Why does the check engine light come on when I start my 540i?

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?

Unusual noises can signal a problem with your BMW 540i engine. Knocking or tapping could be a symptom of low 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 a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 540i 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

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

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your 540i when you’re out of coolant, having water in the coolant reservoir is better than nothing.

Why did my 540i engine suddenly stop?

If your 540i 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 can repair my BMW 540i engine?

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

Engine Repairs for Your 1999 BMW 540i

Learn about

1999 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.

V8/4.4L

BMW 540i Repairs and Services

Nothing stays the same forever. 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 1999 BMW 540i.

We Know BMW 540i Engines

BMW 540i engines are known for their reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If they do, you’ll have to find a dependable 1999 BMW service center — quick! That's when it's time to head to Firestone Complete Auto Care. 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. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 1999 BMW 540i

As soon as your 540i check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your fuel, Causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your 540i in for an on-board diagnostic check and our expert techs will get the root of the problem. Other signs your BMW 540i engine needs some TLC are burning smells, or a sinking feeling that something’s wrong.

1999 540i Engine Services

If your 1999 540i engine needs repairs, 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 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. Choose Firestone Complete Auto Care for BMW 540i engine repairs and you can drive easy knowing that we use BMW-approved parts and fluids — cambelt, engine oil seal, ignition coil, or another part.

Engine Q&A 1999 BMW 540i

Why does the check engine light come on when I start my 540i? 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? Unusual noises can signal a problem with your BMW 540i engine. Knocking or tapping could be a symptom of low 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 a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 540i 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my BMW 540i radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your 540i when you’re out of coolant, having water in the coolant reservoir is better than nothing.
Why did my 540i engine suddenly stop? If your 540i 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 can repair my BMW 540i engine? Your local Firestone Complete Auto Care fixes BMW 540i engines. Book an appointment today! We have thousands of locations across the country.