Why does my M3’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my BMW engine sound different?

Strange engine sounds can be a sign something’s off in your BMW M3. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my BMW M3 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my BMW M3 radiator?

While it’s not recommended, you can use water in your M3 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 M3 engine suddenly stop?

Your M3 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who fixes BMW M3 engines?

Your local Firestone Complete Auto Care fixes BMW M3 engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 1991 BMW M3

Learn about

1991 BMW M3 Trim Options

Select your BMW M3 trim level to learn more about BMW-recommended engine repair. Even BMW M3 parts will get older and change.

L4/2.3L

1991 BMW M3 Repair

Nothing lasts forever. Even your BMW M3's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 1991 BMW M3 services.

We Know BMW M3 Engines

BMW M3 drivers trust that their M3 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. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 1991 BMW M3 engine repairs. That’s where Firestone Complete Auto Care comes in. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service BMW M3 engines. Schedule a courtesy inspection at the first sign of engine trouble. 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 1991 BMW M3

As soon as your M3 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 combustion, Potential causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your M3 in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs it's time for BMW M3 engine service might include essential fluid leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 1991 M3

When your BMW M3 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. If a repair can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for M3 engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the timing belt, motor oil seal, sensors, or other parts.

Engine Q&A 1991 BMW M3

Why does my M3’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my BMW engine sound different? Strange engine sounds can be a sign something’s off in your BMW M3. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my BMW M3 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my BMW M3 radiator? While it’s not recommended, you can use water in your M3 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 M3 engine suddenly stop? Your M3 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes BMW M3 engines? Your local Firestone Complete Auto Care fixes BMW M3 engines. Book an appointment today! We have thousands of locations across the country.