Why does my 535i’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your 535i firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my BMW engine sound different?

Unusual noises can signal a problem with your BMW 535i engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. 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 a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 535i engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is 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 use water in my BMW 535i radiator?

While it’s not recommended, you can use water in your 535i 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.

What can cause a 535i engine to suddenly stop?

If your 535i car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Where can I go for BMW 535i repair?

Your local Firestone Complete Auto Care offers BMW 535i engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 1991 BMW 535i Engines

Learn about

1991 BMW 535i Trim Options

Select your BMW 535i trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

L6/3.5L

Repairs for Your 1991 BMW 535i

Stuff wears out. Even your BMW 535i’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 1991 BMW 535i services.

We Care for BMW 535i Engines

BMW 535i drivers trust that their 535i will take them near and far. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If they do, you’ll have to find a dependable 1991 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 535i 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.

Illuminated Check Engine Light on 1991 BMW 535i

If your 535i check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your combustion, Possible causes can include a failing oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your 535i issues diagnosed and we’ll figure out why that check engine light is giving you grief. Other signs your BMW 535i engine needs some TLC are essential fluid leaks, or misfiring.

Engine Repairs for Your 1991 535i

When your BMW 535i engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. If a repair can wait, we'll let you know. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 1991 535i engine repairs and you can drive easy knowing that we use BMW-approved parts and fluids — timing belt, motor oil seal, ignition coil, or other parts.

1991 BMW 535i Engine Q&A

Why does my 535i’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. It’s just your 535i firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my BMW engine sound different? Unusual noises can signal a problem with your BMW 535i engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. 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 a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 535i engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is 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 use water in my BMW 535i radiator? While it’s not recommended, you can use water in your 535i 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.
What can cause a 535i engine to suddenly stop? If your 535i car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Where can I go for BMW 535i repair? Your local Firestone Complete Auto Care offers BMW 535i engine repair. Schedule an appointment today at one of our thousands of locations nationwide!