Why does the check engine light come on when I start my 635CSi?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your 635CSi firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my BMW 635CSi making engine noise?

Unusual noises can signal a problem with your BMW 635CSi engine. 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 635CSi 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. Steer clear of these habits to help protect engine performance and efficiency.

Can I put water in my BMW 635CSi radiator?

While it’s not recommended, you can use water in your 635CSi radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

Why did my 635CSi engine suddenly stop?

There are different reasons your 635CSi 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.

Who repairs BMW 635CSi engines?

For BMW 635CSi 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.

1987 BMW 635CSi Engine Repair

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1987 BMW 635CSi Trim Options

Select your BMW 635CSi trim level to learn more about BMW-recommended engine repair. Even BMW 635CSi parts will get older and change.

L6/3.5L

1987 BMW 635CSi Repair

Nothing stays the same forever. Even your BMW 635CSi’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 1987 BMW 635CSi.

We Know BMW 635CSi Engines

BMW 635CSi engines are known for their reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If they do, you’ll have to find a dependable 1987 BMW service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service BMW 635CSi engines. 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.

My 1987 BMW 635CSi Check Engine Light Is On

As soon as your 635CSi 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. Potential causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your 635CSi in for an on-board diagnostic check and our expert techs will get the root of the problem. rattling sounds, burning smells, or engine misfiring.

BMW 635CSi Engine Repair

When your BMW 635CSi 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 can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for 635CSi engine repairs and you can feel confident knowing that we use BMW-approved parts and components like the timing chain or belt, engine oil seal, sensors, or another part.

1987 BMW 635CSi Engine Q&A

Why does the check engine light come on when I start my 635CSi? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your 635CSi firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my BMW 635CSi making engine noise? Unusual noises can signal a problem with your BMW 635CSi engine. 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 635CSi 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. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my BMW 635CSi radiator? While it’s not recommended, you can use water in your 635CSi radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
Why did my 635CSi engine suddenly stop? There are different reasons your 635CSi 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.
Who repairs BMW 635CSi engines? For BMW 635CSi 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.