Why does my 525i’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your 525i 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?

Strange under-the-hood noises can point to problems within your BMW 525i 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 may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my BMW 525i engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my BMW 525i 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 525i when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a 525i engine to suddenly stop?

If your 525i 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 525i engine?

Your local Firestone Complete Auto Care fixes BMW 525i engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 1993 BMW 525i

Learn about

1993 BMW 525i Trim Options

Select your BMW 525i trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

L6/2.5L

Repairs for Your 1993 BMW 525i

Stuff wears out. Even your BMW 525i's many parts and pieces. When something breaks, we're ready. Select a repair or category to learn more about 1993 BMW 525i services.

We Care for BMW 525i Engines

BMW 525i drivers trust that their 525i will take them near and far. That might be why you bought it in the first place. 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 1993 BMW 525i engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know BMW 525i engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 1993 BMW 525i

If your 525i 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 car’s starter, Causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your 525i to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine pinging noises, essential fluid leaks, or misfiring.

1993 525i Engine Services

When your BMW 525i 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. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to provide you with the information you need to make an informed engine repair decision. By choosing Firestone Complete Auto Care for 525i engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the serpentine belt, valve guide seal, fuses, or other parts.

1993 BMW 525i Engine Q&A

Why does my 525i’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your 525i 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? Strange under-the-hood noises can point to problems within your BMW 525i 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 may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my BMW 525i engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my BMW 525i 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 525i when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a 525i engine to suddenly stop? If your 525i 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 525i engine? Your local Firestone Complete Auto Care fixes BMW 525i engines. Book an appointment today! We have thousands of locations across the country.