Why does the check engine light in my 740i turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. This is just your 740i testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my BMW 740i making engine noise?

Strange engine sounds can be a sign something’s off in your BMW 740i. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to 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 740i engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my BMW 740i radiator?

It’s not recommended you put water in your 740i 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 740i engine to suddenly stop?

Your 740i car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who repairs BMW 740i engines?

Your local Firestone Complete Auto Care fixes BMW 740i engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 1998 BMW 740i Engines

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1998 BMW 740i Trim Options

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

V8/4.4L

BMW 740i Repairs and Services

Nothing lasts forever. Even your BMW 740i’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 1998 BMW 740i repairs.

We’re Trained to Care for BMW 740i Engines

BMW 740i engines are known for their reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If they do, you’ll have to find a dependable 1998 BMW service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your BMW 740i engine will be in good hands. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 1998 BMW 740i Check Engine Light Is On

If your 740i 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 car’s starter, Possible causes can include a failing oxygen sensor, damaged spark plug, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your 740i in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. engine pinging noises, burning smells, or misfiring.

1998 740i Engine Services

If your 1998 740i 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. We'll also tell you if it's necessary for your safety. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for BMW 740i engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the timing belt, motor oil seal, fuses, or another part.

Questions About 1998 BMW 740i Engines

Why does the check engine light in my 740i turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is just your 740i testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my BMW 740i making engine noise? Strange engine sounds can be a sign something’s off in your BMW 740i. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to 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 740i engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my BMW 740i radiator? It’s not recommended you put water in your 740i 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 740i engine to suddenly stop? Your 740i car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs BMW 740i engines? Your local Firestone Complete Auto Care fixes BMW 740i engines. Book an appointment today! We have thousands of locations across the country.