Will it hurt my BMW M850i xDrive to drive with old spark plugs?

When it’s time to replace the spark plugs, don’t delay. These small (but vital!) parts provide the electric spark that your car needs in order to start, and old spark plugs can prevent your car from starting at all. Replace spark plugs on time or about every 30,000 miles or so.

What does a puddle underneath my BMW M850i xDrive mean?

Don't ignore puddles of fluid under your BMW M850i xDrive. It could signal a coolant leak, brake fluid leak, or an oil leak. Let any one of these leaks linger and it could cause engine damage.

Are some driving habits better for my BMW M850i xDrive engine than others?

You can make your driving habits more engine-friendly. Hard starts and stops can increase the stress on engine parts, especially over many years. Boost your fuel economy and care for your engine by using gradual, smooth starts and stops instead.

Where can I get a tune-up for my BMW M850i xDrive?

At your closest Firestone Complete Auto Care! Our experienced technicians offer BMW M850i xDrive service, maintenance, and repairs.

How frequently do the fuel injectors in my BMW M850i xDrive need to be cleaned?

The frequency at which car fuel injectors should be cleaned can vary depending on several factors, including the type of fuel used and the driving conditions. Some manufacturers generally recommend a fuel system cleaning as part of your general car maintenance, or as needed based on symptoms of poor fuel system performance.

Who offers BMW M850i xDrive tune-ups?

Visit your local Firestone Complete Auto Care for your BMW M850i xDrive tune-up. Make an appointment online and view our latest offers to save big.

2025 BMW M850i xDrive Engine Tune-Ups & Maintenance

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Schedule an Appointment for Your BMW M850i xDrive Tune-Up

Keep your M850i xDrive running newer, longer. Schedule an engine tune-up as soon as you notice your engine running differently. Make your appointment today.

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Tune Into Your BMW M850i xDrive

Is your engine overdue for a tune-up? If you usually wait until your car has an issue to take it in for service, now is the time to work on that habit, particularly if you want to keep your 2025 BMW M850i xDrive in tip-top shape. Regular engine tune-ups can optimize your M850i xDrive’s power on the road. Tune-ups give your engine a boost in efficiency, so you can enjoy improved fuel economy and lower emissions. When you take your car for regular engine tune-ups as recommended by BMW, you’re taking vital steps toward keeping your M850i xDrive’s engine running smoother, longer.

BMW M850i xDrive Engine Tune-Up Services

Your local Firestone Complete Auto Care offers a range of engine tune-up services for your 2025 BMW M850i xDrive. One option is the standard Firestone Tune-Up. The standard Firestone Tune-Up includes new spark plugs (and installation!), a thorough inspection of engine components, and a lifetime parts warranty*. A second service option replaces the air and fuel filter in your M850i xDrive. Our third service is a thorough cleaning of the fuel system. During this type of tune-up, we use a three-step process to get rid of harmful varnish, dirt, and carbon deposit buildup in your M850i xDrive’s fuel injectors, throttle body, and throttle plate. This goes a long way in boosting your fuel system’s overall performance. Keep in mind that your M850i xDrive's mileage and maintenance history can uniquely impact its tune-up needs. This means that a tune-up service that’s a great fit for another car may not be optimal for yours. Chat with a Firestone technician before you jump into a specific service to ensure your engine tune-up money is well-spent.

Where to Get a BMW M850i xDrive Tune-Up

If you’re looking for 2025 M850i xDrive engine tune-up services, head to Firestone Complete Auto Care. Follow BMW's recommended maintenance schedule or book an appointment as soon as you notice one of the following: decreased gas mileage, "rough" idling or stalling when stopped, knocking noises in the engine, or a lit up check engine light on your dashboard.

*Talk to a Firestone Complete Auto Care teammate for full terms and conditions on warranties.

2025 BMW M850i xDrive Engine Tune-Up Q&A

Will it hurt my BMW M850i xDrive to drive with old spark plugs? When it’s time to replace the spark plugs, don’t delay. These small (but vital!) parts provide the electric spark that your car needs in order to start, and old spark plugs can prevent your car from starting at all. Replace spark plugs on time or about every 30,000 miles or so.
What does a puddle underneath my BMW M850i xDrive mean? Don't ignore puddles of fluid under your BMW M850i xDrive. It could signal a coolant leak, brake fluid leak, or an oil leak. Let any one of these leaks linger and it could cause engine damage.
Are some driving habits better for my BMW M850i xDrive engine than others? You can make your driving habits more engine-friendly. Hard starts and stops can increase the stress on engine parts, especially over many years. Boost your fuel economy and care for your engine by using gradual, smooth starts and stops instead.
Where can I get a tune-up for my BMW M850i xDrive? At your closest Firestone Complete Auto Care! Our experienced technicians offer BMW M850i xDrive service, maintenance, and repairs.
How frequently do the fuel injectors in my BMW M850i xDrive need to be cleaned? The frequency at which car fuel injectors should be cleaned can vary depending on several factors, including the type of fuel used and the driving conditions. Some manufacturers generally recommend a fuel system cleaning as part of your general car maintenance, or as needed based on symptoms of poor fuel system performance.
Who offers BMW M850i xDrive tune-ups? Visit your local Firestone Complete Auto Care for your BMW M850i xDrive tune-up. Make an appointment online and view our latest offers to save big.

Maintenance for Your 2025 BMW M850i xDrive

Take care of your vehicle and it'll take care of you. Click on a service below to learn more about properly maintaining your BMW M850i xDrive.

Repairs on Your 2025 BMW M850i xDrive

Nothing lasts forever. Even your BMW M850i xDrive's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 2025 BMW M850i xDrive repairs.