Why does my 740iL’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 740iL firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my BMW engine sound different?

Strange under-the-hood noises can point to problems within your BMW 740iL engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage my BMW 740iL engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. 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 740iL radiator?

It’s not recommended you put water in your 740iL 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 could cause my 740iL engine to suddenly stop?

There are different reasons your 740iL 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.

Where can I go for BMW 740iL repair?

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 1998 BMW 740iL

Learn about

1998 BMW 740iL Trim Options

Select your BMW 740iL trim level to learn more about BMW-recommended engine repair. Even BMW 740iL parts will get older and change.

V8/4.4L

1998 BMW 740iL Repair

Nothing lasts forever. Even your BMW 740iL’s engine parts and components will change. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 1998 BMW 740iL.

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 sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 1998 BMW 740iL engine repairs. That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your BMW 740iL engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 1998 BMW 740iL

An illuminated check engine light on your BMW 740iL is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leaking engine vacuum, 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 we'll determine exactly why your check engine light is on. Other signs your BMW 740iL engine needs some TLC are burning smells, or engine misfiring.

Engine Repairs for Your 1998 740iL

If your 1998 BMW 740iL needs engine repair, 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 give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 1998 740iL engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the timing belt, engine oil seal, ignition coil, or a different component.

1998 BMW 740iL Engine Q&A

Why does my 740iL’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 740iL firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my BMW engine sound different? Strange under-the-hood noises can point to problems within your BMW 740iL engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage my BMW 740iL engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. 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 740iL radiator? It’s not recommended you put water in your 740iL 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 could cause my 740iL engine to suddenly stop? There are different reasons your 740iL 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.
Where can I go for BMW 740iL repair? 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.