2017 BMW M240i Coupe Maintenance Schedule & Service Intervals

Key Takeaways

• The 2017 BMW M240i Coupe is powered by the B58 3.0L turbocharged inline-six engine and uses BMW's Condition Based Service (CBS) system, which adjusts maintenance intervals based on driving style, fuel consumption, and trip length .
• The original factory warranty included a 4-year/50,000-mile basic and powertrain warranty, along with 3 years or 36,000 miles of complimentary scheduled maintenance .
• The B58 engine requires BMW-approved synthetic oil with an oil capacity of approximately 6.5 liters . BMW 0W-20 LL-17FE+ is the factory-recommended oil for this engine .
• While BMW's CBS system typically indicates oil changes around 10,000 miles, Pelican Parts recommends changing synthetic oil every 5,000 miles for optimal engine protection .
• Brake fluid and spark plugs should be replaced at intervals indicated by the CBS system, with general guidance suggesting brake fluid every 2 years .

Understanding the BMW Condition Based Service System

The 2017 BMW M240i Coupe is equipped with the Condition Based Service (CBS) system, which represents a modern approach to maintenance scheduling. Unlike traditional fixed-interval systems, CBS uses sensors and algorithms that monitor driving style, fuel consumption, and trip length to calculate when maintenance is actually needed . The system adapts service timing to your specific user profile, meaning two identical vehicles may require service at different odometer readings depending on how they have been driven. Because the CBS system is the primary guide for your specific vehicle, the reference intervals provided below should be used for planning purposes, but the CBS system remains the primary indicator for when service is required.

The vehicle is equipped with a service interval warning system as standard equipment .

Engine and Drivetrain Specifications

The 2017 M240i Coupe is powered by the B58 3.0L turbocharged inline-six engine (B58B30M0), producing 335 horsepower at 5,500 rpm . The engine is available with either a 6-speed manual or 8-speed automatic transmission .

Engine Oil Specifications

The B58 engine requires BMW-approved synthetic oil. Key specifications include:

BMW 0W-20 LL-17FE+ is the factory-recommended oil for 2016-2023 B58 six-cylinder engines. The "FE" designation stands for Fuel Efficient, and this formula has shown small improvements in fuel economy and reduced emissions . Other BMW-approved specifications for the M240i include BMW LL-01, LL-01 FE, and LL-22 FE++ .

Brake Fluid

The 2017 M240i requires DOT 4 brake fluid that meets BMW specifications .

Service Interval Summary

Engine Oil and Filter Service

Factory Schedule: The CBS system is the primary indicator for oil change intervals. In some markets, the fixed service interval is 12 months or 25,000 km.

Owner Guidance: Pelican Parts recommends changing synthetic motor oil every 5,000 miles for the B58 engine . This conservative approach is particularly beneficial for the turbocharged engine. Always replace the oil filter when changing the oil.

Oil Recommendations: BMW 0W-20 LL-17FE+ is perfect for daily driver commuter cars, however other oils are also approved . Approved oil specifications include:

• BMW LL-17FE+ (0W-20)
• BMW LL-22 FE++
• BMW LL-01

You may need an oil change sooner than recommended if you notice the check engine or oil change light is illuminated, hear knocking sounds from the engine, smell oil inside the vehicle, or observe excess vehicle exhaust. Frequent heavy hauling, dusty road driving, or extended low-speed trips can also shorten oil life.

Brake Fluid Service

Brake fluid replacement is a critical time-based service.

Factory Schedule: BMW recommends brake fluid replacement at intervals indicated by the CBS system, typically every 2 years .

Owner Guidance: The vehicle requires DOT 4 brake fluid that meets BMW specifications . Brake fluid is hygroscopic, meaning it absorbs moisture from the air over time, which can lower its boiling point and lead to brake fade under hard use. For track use, consider annual replacement with high-performance fluid.

Spark Plug Service

Factory Schedule: BMW recommends spark plug replacement at intervals indicated by the CBS system, typically around 60,000 miles. Keeping spark plugs fresh is a very important part of keeping your car in top shape .

Owner Guidance: For tuned vehicles, more frequent replacement is recommended to maintain ignition performance. If your BMW has been tuned for increased performance, replacing the spark plugs ahead of the factory interval is never a bad idea.

Coolant Service

Coolant should be checked and replaced as indicated by the CBS system. Use BMW-approved coolant to protect the engine from corrosion and overheating .

Transmission Fluid Service

Factory Schedule: BMW does not specify a fixed replacement interval for automatic transmission fluid under normal operating conditions; the fluid is often designated as a "lifetime" fill.

Owner Guidance: The ZF 8-speed transmission is one of the most neglected service areas on a car. Many independent specialists recommend a fluid and filter service at approximately 60,000 miles as a preventive measure.

Maintenance Schedule Summary Table

Long-Term Ownership Considerations

Service Documentation

Maintaining complete service records is essential for warranty compliance and resale value. BMW service centers can read CBS system data stored in the vehicle to verify maintenance history. With proper maintenance, the 2017 M240i Coupe can achieve high mileage.

Battery Health

Modern BMWs rely on the battery for proper CBS system function. Batteries typically require replacement every three to five years. Short trips, frequent starts, and exposure to extreme temperatures can reduce battery life.

Cooling System

The B58 engine requires proper cooling system maintenance. Using Genuine BMW coolant/antifreeze is recommended to maintain cooling system performance . The coolant should be flushed and replaced according to the CBS system or at preventive intervals.

B58 Engine Common Issues

While the B58 engine is generally reliable, regular maintenance with quality oil and proper coolant helps mitigate risks. As with any high-performance vehicle, regular preventive maintenance is crucial to preserve longevity and maintain resale value.

Frequently Asked Questions

What engine is in the 2017 BMW M240i Coupe?

The 2017 BMW M240i Coupe is powered by the B58 3.0L turbocharged inline-six engine (B58B30M0), producing 335 horsepower .

What type of oil does the 2017 BMW M240i Coupe require?

The B58 engine requires BMW-approved synthetic oil. BMW 0W-20 LL-17FE+ is the factory-recommended oil . BMW LL-01, LL-01 FE, and LL-22 FE++ are also approved .

How often does the 2017 BMW M240i Coupe need an oil change?

The CBS system typically indicates oil changes around 10,000 miles or 12 months. Pelican Parts recommends changing synthetic oil every 5,000 miles for optimal engine protection .

How often should brake fluid be changed?

BMW recommends brake fluid replacement at intervals indicated by the CBS system, typically every 2 years . The vehicle requires DOT 4 brake fluid that meets BMW specifications.

When should spark plugs be replaced?

Spark plugs should be replaced as indicated by the CBS system . Keeping spark plugs fresh is important for maintaining engine performance.

How often should the coolant be replaced?

Coolant should be checked and replaced as indicated by the CBS system. Use BMW-approved coolant .

When should the transmission fluid be changed on the M240i?

BMW does not require automatic transmission fluid changes under normal conditions. Many specialists recommend a preventive fluid and filter service at approximately 60,000 miles.

What was the original warranty coverage for the 2017 M240i?

The 2017 BMW M240i Coupe came with a 4-year/50,000-mile basic and powertrain warranty, 12-year/unlimited-mile corrosion perforation warranty, 4-year/unlimited-mile roadside assistance, and 3-year/36,000-mile complimentary scheduled maintenance .

What is the oil capacity of the B58 engine?

The B58 engine has an oil capacity of approximately 6.5 liters .