Why does the check engine light come on when I start my 740iL?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your 740iL 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 740iL engine noises bad?

Strange under-the-hood noises can point to problems within your BMW 740iL engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 740iL engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas 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.

Is it okay to put water in my BMW 740iL 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.

Why did my 740iL engine suddenly stop?

Reasons your 740iL car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who fixes BMW 740iL engines?

For BMW 740iL 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.

Engine Repairs for Your 1994 BMW 740iL

Learn about

1994 BMW 740iL Trim Options

Select your BMW 740iL trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

V8/4.0L

BMW 740iL Repairs and Services

Nothing lasts forever. Even your BMW 740iL’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 1994 BMW 740iL services.

We’re Trained to Care for BMW 740iL Engines

The BMW 740iL is respected for its reliability. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 1994 BMW 740iL 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 740iL engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 1994 BMW 740iL

As soon as your 740iL 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. Causes may include a faulty oxygen sensor, damaged spark plug, a clogged catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your 740iL issues diagnosed and our expert techs will get the root of the problem. Other signs it's time for BMW 740iL engine service might include oil leaks, or misfiring.

Engine Repairs for Your 1994 740iL

If your 1994 740iL 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. If it's necessary for your safety, we'll make sure you understand that, 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 1994 740iL engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the timing belt, valve guide seal, fuses, or another part.

Engine Q&A 1994 BMW 740iL

Why does the check engine light come on when I start my 740iL? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your 740iL 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 740iL engine noises bad? Strange under-the-hood noises can point to problems within your BMW 740iL engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a BMW engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your BMW 740iL engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas 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.
Is it okay to put water in my BMW 740iL 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.
Why did my 740iL engine suddenly stop? Reasons your 740iL car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes BMW 740iL engines? For BMW 740iL 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.