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12 Seasonal Maintenance Tasks to Keep Your BMW Running Smoothly

Photo by Clint Patterson On Unsplash

We understand that your BMW is more than just a car—it's a finely tuned driving machine that deserves the best care all year round. Just like you wouldn't wear the same clothes for summer and winter, your BMW needs different types of care as the seasons change.


Seasonal maintenance refers to the specific care and upkeep your BMW requires to perform optimally throughout the year. This involves addressing the unique challenges presented by different weather conditions, such as summer heat or winter cold, to ensure your vehicle remains reliable, safe, and efficient no matter the season. By staying proactive and attentive to these seasonal needs, you can help prevent potential issues and extend the life of your BMW.


Ensuring your BMW runs smoothly throughout the year requires diligent attention to seasonal maintenance. From addressing the specific summer heat needs to preparing for winter's chill, these 12 essential tasks will help keep your vehicle in peak condition.

1. Spring Cleaning and Inspection (January & February) 

Spring is the perfect time to thoroughly clean your BMW. Start with the exterior, ensuring all the winter grime and salt are completely removed. A clean car looks great and helps prevent corrosion and damage to the paint and undercarriage. Don’t forget to clean the interior, paying particular attention to the carpets and upholstery, which might have accumulated dirt and moisture over the winter months.


In addition to cleaning, a comprehensive inspection is essential. Check the tires for any signs of wear or damage and ensure they are correctly inflated. Inspect the brakes for wear and tear, as winter conditions can be harsh on your braking system. Also, take this opportunity to check all fluid levels, including oil, coolant, and windshield washer fluid, to ensure your car is ready for the warmer months ahead.

2. Check and Replace Wiper Blades (March & April)

Spring showers are common, and functional windshield wipers are crucial for safe driving. Over time, wiper blades can become cracked or lose effectiveness, especially after enduring harsh winter conditions. Check your wiper blades for any signs of damage or wear, and replace them if necessary.


In addition to replacing the wiper blades, ensure your windshield washer fluid reservoir is filled with the appropriate fluid. This will keep your windshield clean and clear of debris, improving visibility and overall safety while driving.

3. Air Conditioning System Check (May)

As temperatures rise, a functioning air conditioning system becomes increasingly important. Your BMW's air conditioning system should be checked and serviced regularly to ensure it operates efficiently. Start by testing the system to see if it is cooling effectively. Notice any issues, such as reduced airflow or strange noises. It may be time to have it inspected by a professional.


Regular maintenance of the air conditioning system includes:


  • Checking the refrigerant levels.

  • Inspecting the compressor and other components.

  • Cleaning or replacing the cabin air filter.


This ensures a comfortable ride during the hot summer months and helps maintain good air quality inside your vehicle.

4. Tire Rotation and Alignment (June)

Tire maintenance is a breeze for your BMW's overall performance and safety. Regular tire rotation is like a spa day for your tires, ensuring even wear, extending their life, and improving fuel efficiency. You should rotate your tires every 5,000 to 7,500 miles, but always refer to your owner’s manual for specific guidelines.


In addition to tire rotation, having your alignment checked is essential. Misaligned wheels can cause uneven tire wear, reduce fuel efficiency, and impact vehicle handling. Suppose you notice your car pulling to one side or uneven tire wear. In that case, it’s time to have your alignment checked and corrected by a professional.

5. Battery Check (July)

Extreme temperatures, whether hot or cold, can damage your car battery. As the weather warms up, it’s a good idea to check your battery’s condition. Start by inspecting the battery terminals for any signs of corrosion and cleaning them if necessary. Ensure the battery is securely mounted and that the connections are tight.


A battery test can help determine if your battery is holding a charge properly. If your battery is over three years old or you notice any issues with starting your car, it may be time to replace it. Regular battery maintenance can help prevent unexpected breakdowns and ensure your BMW starts reliably.

6. Coolant System Check (August)

Your BMW’s coolant system is vital for preventing the engine from overheating. Ensuring that your coolant system is functioning correctly is essential as temperatures rise. Start by checking the coolant level and topping it off if necessary. Make sure to use the coolant recommended by your vehicle’s manufacturer.


Inspect the radiator, hoses, and coolant reservoir for any signs of leaks or damage. If you notice any issues, have them addressed by a professional immediately. Regularly flushing and replacing the coolant as per the manufacturer’s recommendations will help maintain the efficiency and longevity of your cooling system.

7. Brake System Inspection (September)

Your BMW’s brake system is critical for safety, and regular inspections are essential to ensure it functions properly. Start by checking the brake pads for any signs of wear. If the pads are thin or you hear a squealing noise when braking, it’s time to replace them. Also, inspect the brake rotors for any signs of damage or warping.


In addition to checking the physical components, inspect the brake fluid. Brake fluid can absorb moisture over time, reducing its effectiveness. If the fluid is dark or hasn’t been changed in a while, replacing it is a good idea. Regular brake maintenance can help prevent costly repairs and ensure your safety on the road.

8. Oil and Filter Change (October)

Regular oil changes are vital for maintaining the health of your BMW’s engine. Over time, oil can become contaminated with dirt and debris, reducing its effectiveness. Follow your owner’s manual for the recommended oil change interval. It’s recommended to change the oil every 5,000 to 7,500 miles.


In addition to changing the oil, don’t forget to replace the oil filter. The oil filter helps remove contaminants from the oil, ensuring it stays clean and effective. Using the correct oil and filter for your BMW is crucial, so use products that meet the manufacturer’s specifications.

9. Inspect Belts and Hoses (November) 

Belts and hoses play a crucial role in the functioning of your BMW’s engine. Over time, they can become worn or damaged, leading to potential issues. Regularly inspect the belts for any signs of cracking, fraying, or excessive wear. If you notice any issues, have them replaced promptly to avoid a breakdown.


Similarly, inspect the hoses for any signs of leaks, cracks, or bulges. Pay special attention to the radiator and heater hoses, as these are critical for maintaining your engine’s temperature. Regularly checking and replacing worn belts and hoses can help prevent unexpected breakdowns and costly repairs.

10. Check Suspension and Steering Components (December)

Your BMW’s suspension and steering components are essential for a smooth and comfortable ride. Over time, these components can wear out or become damaged, affecting your vehicle’s handling and safety. Regularly inspect the suspension and steering components, including the shocks, struts, and bushings, for any signs of wear or damage.


If you notice any issues, such as a rough ride or difficulty steering, have them addressed by a professional. Proper suspension and steering components maintenance can ensure a smooth and safe driving experience.

11. Prepare for Winter (Do This Early!)

Winters in South Carolina are quite mild, but it’s important to prepare your BMW for the colder weather. Though it's July, you can still schedule your appointment at Brown Motor Works a few months out to hold yourself accountable. Once it starts getting colder and we all go into hibernation mode, back-to-school shopping is said and done, and holidays are on the horizon, it can be challenging to stick to your maintenance routines.

Start by checking the tire tread depth, and consider switching to winter tires if you live in an area with heavy snowfall. Winter tires provide better traction and handling in snowy and icy conditions.


In addition to the tires, check your antifreeze levels and ensure the mixture is correct for the colder temperatures. Inspect the battery, as cold weather can reduce its effectiveness. Finally, consider carrying an emergency kit in your car, including items like a blanket, ice scraper, and jumper cables, to be prepared for any winter emergencies.

12. Regular Professional Inspections (Do This Always!)

While regular DIY maintenance is essential, having your BMW inspected by a professional is crucial for ensuring its longevity and performance. Schedule regular inspections with a trusted mechanic who specializes in BMWs. They can identify and address potential issues early before they become significant problems.


Professional inspections should include a thorough check of all the major systems, including the engine, transmission, brakes, and suspension. Regular professional maintenance can help keep your BMW running smoothly and reliably, providing peace of mind.

We Can Help With All Your Maintenance Needs!

By following these 12 seasonal maintenance tasks, you can help ensure your BMW remains in excellent condition year-round. Regular maintenance not only enhances your vehicle’s performance but also helps prevent costly repairs and extends the life of your car. At Brown Motor Works, we’re here to assist you with all your BMW maintenance needs, ensuring your vehicle stays in top shape no matter the season.


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