Why does the check engine light in my 325i turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your 325i testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are BMW 325i engine noises bad?

Unusual noises can signal a problem with your BMW 325i engine. Tapping or knocking could mean you need an oil change. 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 325i engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my BMW 325i 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 325i when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a 325i engine to suddenly stop?

There are different reasons your 325i 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.

Where can I go for BMW 325i repair?

For BMW 325i 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 1991 BMW 325i Engines

Learn about

1991 BMW 325i Trim Options

Select your BMW 325i trim level to learn more about BMW-recommended engine repair. Even BMW 325i parts will get older and change.

L6/2.5L

BMW 325i Repairs and Services

Stuff wears out. Even your BMW 325i’s engine parts and components will change. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 1991 BMW 325i repairs.

We’re Trained to Care for BMW 325i Engines

BMW 325i 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! Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 1991 BMW 325i engine repairs. That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your BMW 325i 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.

My 1991 BMW 325i Check Engine Light Is On

If your 325i 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 or emission system, and it won’t go away by ignoring it. Possible causes can include a failing oxygen sensor, damaged spark plug, a clogged 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 325i issues diagnosed and our expert techs will get the root of the problem. engine rattling, burning smells, or a sinking feeling that something’s wrong.

BMW 325i Engine Repair

When your BMW 325i engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, 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. By choosing Firestone Complete Auto Care for 325i engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the serpentine belt, valve guide seal, sensors, or another part.

Engine Q&A 1991 BMW 325i

Why does the check engine light in my 325i turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your 325i testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are BMW 325i engine noises bad? Unusual noises can signal a problem with your BMW 325i engine. Tapping or knocking could mean you need an oil change. 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 325i engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my BMW 325i 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 325i when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a 325i engine to suddenly stop? There are different reasons your 325i 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.
Where can I go for BMW 325i repair? For BMW 325i 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.