Why does my 735i’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 light should go off shortly. Bring your vehicle in if it doesn't.

Are BMW 735i engine noises bad?

Strange engine sounds can be a sign something’s off in your BMW 735i. 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 indicate 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 735i 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 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 735i radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your 735i when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What could cause my 735i engine to suddenly stop?

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

Who fixes BMW 735i engines?

Your local Firestone Complete Auto Care fixes BMW 735i engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 1988 BMW 735i

Learn about

1988 BMW 735i Trim Options

Select your BMW 735i trim level to learn more about BMW-recommended engine repair. Even BMW 735i parts will get older and change.

L6/3.5L

1988 BMW 735i Repair

Nothing stays the same forever. Even your BMW 735i’s engine parts and components will change. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 1988 BMW 735i.

We Know BMW 735i Engines

The BMW 735i is respected for its reliability. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. If they do, you’ll have to find a dependable 1988 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 735i engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 1988 BMW 735i

If your 735i check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your fuel injection, Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your 735i in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine rattling, oil leaks, or engine misfiring.

1988 735i Engine Services

If your 1988 BMW 735i needs engine repair, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. 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 seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for 735i engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the cambelt, motor oil seal, sensors, or other parts.

1988 BMW 735i Engine Q&A

Why does my 735i’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 light should go off shortly. Bring your vehicle in if it doesn't.
Are BMW 735i engine noises bad? Strange engine sounds can be a sign something’s off in your BMW 735i. 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 indicate 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 735i 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 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 735i radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your 735i when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What could cause my 735i engine to suddenly stop? Your 735i car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes BMW 735i engines? Your local Firestone Complete Auto Care fixes BMW 735i engines. Book an appointment today! We have thousands of locations across the country.