Why does the check engine light come on when I start my 525i?

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 go off shortly. Bring your vehicle in if it doesn't.

Are BMW 525i engine noises bad?

Unusual noises can signal a problem with your BMW 525i 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 indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my BMW 525i engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, 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 add water to my BMW 525i radiator?

While it’s not recommended, you can use water in your 525i 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 525i engine to suddenly stop?

There are different reasons your 525i 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 525i engines?

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 1989 BMW 525i

Learn about

1989 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

1989 BMW 525i Repair

Stuff wears out. Even your BMW 525i’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 1989 BMW 525i.

We’re Trained to Care for BMW 525i Engines

BMW 525i engines are known for their reliability. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 1989 BMW 525i engine repairs. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know BMW 525i engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 1989 BMW 525i Check Engine Light Is On

As soon as your 525i 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 or emission control 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 leak in the engine vacuum, to name a few potential sources. Bring your 525i to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs your BMW 525i engine needs some TLC are essential fluid leaks, or engine misfiring.

1989 525i Engine Services

If your 1989 BMW 525i 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 repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 1989 525i engine repairs and you can feel confident knowing that we use BMW-approved parts and components like the serpentine belt, engine oil seal, sensors, or other parts.

Questions About 1989 BMW 525i Engines

Why does the check engine light come on when I start my 525i? 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 go off shortly. Bring your vehicle in if it doesn't.
Are BMW 525i engine noises bad? Unusual noises can signal a problem with your BMW 525i 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 indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my BMW 525i engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, 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 add water to my BMW 525i radiator? While it’s not recommended, you can use water in your 525i 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 525i engine to suddenly stop? There are different reasons your 525i 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 525i engines? Your local Firestone Complete Auto Care fixes BMW 525i engines. Book an appointment today! We have thousands of locations across the country.