Why does the check engine light in my 335i turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your 335i firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my BMW 335i making engine noise?

Strange under-the-hood noises can point to problems within your BMW 335i 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 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 335i engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is 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 use water in my BMW 335i 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 335i when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What could cause my 335i engine to suddenly stop?

If your 335i car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who can repair my BMW 335i engine?

Your local Firestone Complete Auto Care offers BMW 335i engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Engine Repairs for Your 2012 BMW 335i

Learn about

2012 BMW 335i Trim Options

Select your BMW 335i trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

2012 BMW 335i Repair

Nothing lasts forever. Even your BMW 335i’s engine parts and components will change. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 2012 BMW 335i repairs.

We’re Trained to Care for BMW 335i Engines

The BMW 335i is respected for its reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Sometimes plans go sideways. When they do, you might find yourself searching for 2012 BMW 335i engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know BMW 335i engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2012 BMW 335i

An illuminated check engine light on your BMW 335i is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your car’s ignition, Possible causes can include a failing oxygen sensor, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your 335i issues diagnosed and we'll determine exactly why your check engine light is on. Other signs it's time for BMW 335i engine service might include oil leaks, or a sinking feeling that something’s wrong.

BMW 335i Engine Repair

If your 2012 335i engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. If a service can wait, we’ll make sure you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, 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 2012 335i engine repairs and you can feel good knowing that we only use BMW-compliant replacement parts such as the serpentine belt, motor oil seal, sensors, or another part.

2012 BMW 335i Engine Q&A

Why does the check engine light in my 335i turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your 335i firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my BMW 335i making engine noise? Strange under-the-hood noises can point to problems within your BMW 335i 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 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 335i engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is 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 use water in my BMW 335i 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 335i when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What could cause my 335i engine to suddenly stop? If your 335i car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who can repair my BMW 335i engine? Your local Firestone Complete Auto Care offers BMW 335i engine repair. Schedule an appointment today at one of our thousands of locations nationwide!