Why does the check engine light in my 735iL turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your 735iL firing up 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 735iL. 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 a sign of brake problems rather than engine issues.

What could damage my BMW 735iL 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my BMW 735iL radiator?

It’s not recommended you put water in your 735iL radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

What can cause the engine in my 735iL to suddenly stop?

Your 735iL car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for BMW 735iL repair?

Your local Firestone Complete Auto Care offers BMW 735iL engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Engine Repairs for Your 1990 BMW 735iL

Learn about

1990 BMW 735iL Trim Options

Select your BMW 735iL trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

L6/3.5L

1990 BMW 735iL Repair

Stuff wears out. Even your BMW 735iL's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 1990 BMW 735iL services.

We’re Trained to Care for BMW 735iL Engines

BMW 735iL drivers trust that their 735iL will take them near and far. You may have even been thinking about that when you bought it. 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 1990 BMW 735iL 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 735iL 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.

Check Engine Light on 1990 BMW 735iL

As soon as your 735iL check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your combustion, Possible causes can include a failing oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your 735iL in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. rattling sounds, essential fluid leaks, or misfiring.

Engine Repairs for Your 1990 735iL

If your 1990 BMW 735iL needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. If a repair isn’t urgent right now, 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. Turn to Firestone Complete Auto Care for your 1990 735iL engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the cambelt, oil gasket, ignition coil, or other parts.

Questions About 1990 BMW 735iL Engines

Why does the check engine light in my 735iL turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your 735iL firing up 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 735iL. 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 a sign of brake problems rather than engine issues.
What could damage my BMW 735iL 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my BMW 735iL radiator? It’s not recommended you put water in your 735iL radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
What can cause the engine in my 735iL to suddenly stop? Your 735iL car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for BMW 735iL repair? Your local Firestone Complete Auto Care offers BMW 735iL engine repair. Schedule an appointment today at one of our thousands of locations nationwide!