Why does the check engine light come on when I start my M5?

It's okay if your check engine light comes on when you first start your vehicle. This is just your M5 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my BMW M5 making engine noise?

Strange engine sounds can be a sign something’s off in your BMW M5. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by 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 M5 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 slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my BMW M5 radiator?

It’s not recommended you put water in your M5 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 a M5 engine to suddenly stop?

There are different reasons your M5 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 repairs BMW M5 engines?

For BMW M5 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 2003 BMW M5 Engines

Learn about

2003 BMW M5 Trim Options

Select your BMW M5 trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

V8/4.9L

V8/5.0L

BMW M5 Repairs and Services

Nothing stays the same forever. Even your BMW M5’s engine parts and components will change. We’re here to help when something stops working. Click on a repair below to learn more about 2003 BMW M5 repairs.

We Care for BMW M5 Engines

BMW M5 engines are known for their reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If they do, you’ll have to find a dependable 2003 BMW service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced more than 500 million vehicles since 1926, and our technicians know BMW M5 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 2003 BMW M5 Check Engine Light Is On

If your M5 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, damaged spark plug, issues with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your M5 to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs your BMW M5 engine needs some TLC are essential fluid leaks, or engine misfiring.

Engine Repairs for Your 2003 M5

If your 2003 BMW M5 needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a service can wait, we’ll make sure 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 2003 M5 engine repairs and you can feel confident knowing that we use BMW-approved parts and components like the timing chain or belt, motor oil seal, fuses, or other parts.

Questions About 2003 BMW M5 Engines

Why does the check engine light come on when I start my M5? It's okay if your check engine light comes on when you first start your vehicle. This is just your M5 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my BMW M5 making engine noise? Strange engine sounds can be a sign something’s off in your BMW M5. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by 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 M5 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 slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my BMW M5 radiator? It’s not recommended you put water in your M5 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 a M5 engine to suddenly stop? There are different reasons your M5 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 repairs BMW M5 engines? For BMW M5 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.