Why does my 535i’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 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 engine sounds can be a sign something’s off in your BMW 535i. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have 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 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, revving the engine while still 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.

Is it okay to put water in my BMW 535i radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What can cause a 535i engine to suddenly stop?

Reasons your 535i car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Where can I go for BMW 535i repair?

Your local Firestone Complete Auto Care fixes BMW 535i engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 1985 BMW 535i Engines

Learn about

1985 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

BMW 535i Repairs and Services

Nothing lasts forever. Even your BMW 535i's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 1985 BMW 535i repairs.

We Care for BMW 535i Engines

BMW 535i drivers trust that their 535i will take them near and far. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. If they do, you’ll have to find a dependable 1985 BMW service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service BMW 535i engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 1985 BMW 535i Check Engine Light Is On

If your 535i check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission system, and it won’t go away by ignoring it. Potential causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your 535i to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs your BMW 535i engine needs some TLC are essential fluid leaks, or a sinking feeling that something’s wrong.

1985 535i Engine Services

When your BMW 535i engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, 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 provide you with the information you need to make an informed engine repair decision. Turn to Firestone Complete Auto Care for your 1985 535i engine repairs and you can drive easy knowing that we use BMW-approved parts and fluids — serpentine belt, valve guide seal, sensors, or a different component.

1985 BMW 535i Engine Q&A

Why does my 535i’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 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 engine sounds can be a sign something’s off in your BMW 535i. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have 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 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, revving the engine while still 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.
Is it okay to put water in my BMW 535i radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What can cause a 535i engine to suddenly stop? Reasons your 535i car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Where can I go for BMW 535i repair? Your local Firestone Complete Auto Care fixes BMW 535i engines. Book an appointment today! We have thousands of locations across the country.