Why does my 840i xDrive Gran Coupe’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 just your 840i xDrive Gran Coupe testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are BMW 840i xDrive Gran Coupe engine noises bad?

Strange engine sounds can be a sign something’s off in your BMW 840i xDrive Gran Coupe. Knocking or tapping could be a symptom of low 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 840i xDrive Gran Coupe engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle 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.

Is it okay to put water in my BMW 840i xDrive Gran Coupe radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What could cause my 840i xDrive Gran Coupe engine to suddenly stop?

Reasons your 840i xDrive Gran Coupe car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who repairs BMW 840i xDrive Gran Coupe engines?

Your local Firestone Complete Auto Care offers BMW 840i xDrive Gran Coupe engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 2021 BMW 840i xDrive Gran Coupe Engines

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2021 BMW 840i xDrive Gran Coupe Trim Options

Select your BMW 840i xDrive Gran Coupe trim level to learn more about BMW-recommended engine repair. Use the following chart to find information.

L6/3.0L

Repairs for Your 2021 BMW 840i xDrive Gran Coupe

Nothing stays the same forever. Even your BMW 840i xDrive Gran Coupe's many parts and pieces. 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 2021 BMW 840i xDrive Gran Coupe.

We Know BMW 840i xDrive Gran Coupe Engines

The BMW 840i xDrive Gran Coupe is respected for its reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go wrong on the road. When they do, you might find yourself searching for 2021 BMW 840i xDrive Gran Coupe engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know BMW 840i xDrive Gran Coupe engines. 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 2021 BMW 840i xDrive Gran Coupe Check Engine Light Is On

As soon as your 840i xDrive Gran Coupe check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your combustion, Causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your 840i xDrive Gran Coupe issues diagnosed and we'll determine exactly why your check engine light is on. Other signs your BMW 840i xDrive Gran Coupe engine needs some TLC are essential fluid leaks, or misfiring.

BMW 840i xDrive Gran Coupe Engine Repair

If your 2021 BMW 840i xDrive Gran Coupe needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair can wait, 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. By choosing Firestone Complete Auto Care for 840i xDrive Gran Coupe engine repairs and you can feel confident knowing that we use BMW-approved parts and components like the serpentine belt, valve guide seal, fuses, or another part.

Questions About 2021 BMW 840i xDrive Gran Coupe Engines

Why does my 840i xDrive Gran Coupe’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 just your 840i xDrive Gran Coupe testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are BMW 840i xDrive Gran Coupe engine noises bad? Strange engine sounds can be a sign something’s off in your BMW 840i xDrive Gran Coupe. Knocking or tapping could be a symptom of low 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 840i xDrive Gran Coupe engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle 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.
Is it okay to put water in my BMW 840i xDrive Gran Coupe radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What could cause my 840i xDrive Gran Coupe engine to suddenly stop? Reasons your 840i xDrive Gran Coupe car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs BMW 840i xDrive Gran Coupe engines? Your local Firestone Complete Auto Care offers BMW 840i xDrive Gran Coupe engine repair. Schedule an appointment today at one of our thousands of locations nationwide!