2016 maintenance schedule

2016 BMW 640i Gran Coupe Complete Service & Maintenance Schedule

The 2016 BMW 640i Gran Coupe utilizes BMW's Condition Based Service (CBS) system.

Reviewed by

Sophia Mercer

European vehicle technical reviewer

Last updated

October 20, 2026

Reviewed for service schedule clarity.

Key Takeaways

  • The 2016 BMW 640i Gran Coupe (F06 chassis) is powered by the N55 3.0L turbocharged inline-six engine and uses a 8-speed GA8HP45Z automatic transmission .
  • BMW's Condition Based Service (CBS) system uses sensors to calculate maintenance needs based on actual driving conditions rather than fixed intervals. Synthetic oil and filter changes typically occur every 10,000 miles or 12 months .
  • Spark plugs are recommended for replacement at 60,000 miles and again at 120,000 miles .
  • Oxygen sensors are scheduled for replacement at 120,000 miles, with a repeat service at 150,000 miles .
  • The vehicle uses DOT4 specification brake fluid, and brake system inspection is recommended at least every 12,000 miles or 12 months .
  • The N55 engine uses Bosch spark plugs (BMW part number 12-12-0-037-582) .
  • With proactive maintenance, the 2016 BMW 640i Gran Coupe has a good chance of reaching 200,000 miles or more .

Understanding BMW's Condition Based Service (CBS) System

The 2016 BMW 640i Gran Coupe utilizes BMW's Condition Based Service (CBS) system. Unlike traditional fixed-interval maintenance schedules, CBS uses sensors and algorithms that take into account the driving conditions of your vehicle to determine when maintenance is required . The system adapts maintenance to your specific driving profile, considering factors such as trip length, engine temperature, and driving style. BMW's maintenance guidelines are sensor-driven and center around the CBS system, which cycles approximately every 10,000 miles.

Engine Specifications & Capacities

The 2016 BMW 640i Gran Coupe is equipped with the N55B30A engine .

SpecificationDetail
Engine CodeN55B30A
Displacement3.0L L6 Turbo
Oil Capacity (with filter)Approximately 6.5 liters
Spark Plugs6 plugs (Bosch, BMW P/N 12-12-0-037-582)
Brake Fluid SpecificationDOT4
Automatic Transmission8-speed GA8HP45Z

OEM Factory Maintenance Schedule

The following maintenance intervals represent key factory-recommended milestones for the 2016 BMW 640i Gran Coupe. Exact intervals are determined by the vehicle's CBS system based on driving conditions.

60,000 Mile Service

  • Replace Spark Plugs

120,000 Mile Service

  • Replace Spark Plugs
  • Replace Oxygen (O2) Sensor

150,000 Mile Service

  • Replace Oxygen (O2) Sensor

Engine Oil and Filter Change

Synthetic oil and oil filter changes typically occur every 10,000 miles or 12 months, whichever occurs first, as determined by the CBS system .

Oil Specifications:

  • BMW-approved synthetic oil
  • The specific viscosity should be selected based on climate and driving conditions as specified in your owner's manual

Conservative Owner Guidance: Motor oil is the single most important element in keeping your engine healthy . More frequent oil changes are advisable if you regularly haul heavy loads, drive in dusty areas, go off-road, or drive at low speeds for long distances . Being extra-diligent about oil changes won't damage your BMW—each oil change is an opportunity to check and resolve other car issues, such as worn brake pads or tire treads . Always replace the oil filter when changing the oil .

Signs your 640i Gran Coupe may need an oil change sooner than scheduled include:

  • Check engine light illuminated
  • Knocking noises from the engine
  • Oil smell inside the vehicle
  • Excess vehicle exhaust

Brake Fluid Service

The 2016 BMW 640i Gran Coupe uses DOT4 specification brake fluid .

OEM Guidance: Brake fluid service is indicated by the CBS system. BMW recommends that brakes be inspected at least once every 12,000 miles or 12 months .

Conservative Owner Guidance: Brake fluid deteriorates over time and eventually needs to be replaced with a brake system flush . Dark or brown brake fluid indicates significant contamination and the need for immediate service . It is good practice to change brake fluid at regular intervals. Brake fluid is hygroscopic—it absorbs moisture from the atmosphere over time, which lowers its boiling point and compromises braking performance.

Spark Plug Service

The 2016 BMW 640i Gran Coupe uses 6 spark plugs. The OEM spark plug is a Bosch part with BMW part number 12-12-0-037-582 .

OEM Interval: Spark plugs are scheduled for replacement at 60,000 miles, with a repeat service at 120,000 miles .

Conservative Owner Guidance: Some service providers recommend replacing spark plugs on time or about every 30,000 miles . Without the spark of electricity created by spark plugs, your engine doesn't have the combustion it needs to start, which could leave you stranded on the road .

Oxygen Sensor Service

OEM Interval: Oxygen sensors are scheduled for replacement at 120,000 miles, with a repeat service at 150,000 miles . Oxygen sensors deteriorate on a mileage basis, and replacement helps maximize fuel economy and minimize exhaust pollution.

Brake System Service

OEM Interval: BMW recommends that front and rear brakes are disassembled and serviced at least once every 12,000 miles or 12 months, including inspecting the parking brake .

Signs of Brake Issues:

  • Unusual noises (squealing or grinding)
  • Vibration or pulsation in the steering wheel or pedal
  • A burning smell coming from the tires
  • An illuminated brake dashboard warning light

Ignition Coils

Ignition coils transform battery voltage into the high energy needed for each spark plug. Weak coils or worn plugs cause misfires, rough idle, hard starts, and poor mileage . Ignition coils are not typically considered a scheduled maintenance item but may require replacement if they fail.

Long-Term Ownership Outlook

With proactive maintenance, a 2016 BMW 640i Gran Coupe has a good chance of hitting 200,000 miles or more . Staying on track with routine service appointments can help your 640i Gran Coupe perform better, increase your vehicle safety, and help you avoid expensive repairs . Regular maintenance is an investment that maintains the value and dependability of your car, extends its service life, and increases its resale value.

Scheduled maintenance services can vary depending on driving conditions, climate, and other factors; however, recommended maintenance usually includes services like oil changes, tire rotations, brake pad replacement, filter changes, and fluid checks and exchanges .

Maintenance questions

2016 BMW 640i Gran Coupe FAQs

How often should I change the oil in my 2016 BMW 640i Gran Coupe?+

BMW's Condition Based Service system calculates the optimal oil change interval based on driving conditions, typically around 10,000 miles . More frequent oil changes are advisable if you regularly haul heavy loads, drive in dusty areas, go off-road, or drive at low speeds for long distances . Always replace the oil filter when changing the oil .

What type of oil does the 2016 BMW 640i Gran Coupe use?+

The N55 engine requires BMW-approved synthetic oil . The specific viscosity should be selected based on climate and driving conditions as specified in your owner's manual.

When should spark plugs be replaced?+

Spark plugs are scheduled for replacement at 60,000 miles, with a repeat service at 120,000 miles . The 2016 BMW 640i Gran Coupe uses Bosch spark plugs (BMW part number 12-12-0-037-582) . Some service providers recommend replacing spark plugs on time or about every 30,000 miles .

When should oxygen sensors be replaced?+

Oxygen sensors are scheduled for replacement at 120,000 miles, with a repeat service at 150,000 miles .

What type of brake fluid does the 2016 BMW 640i Gran Coupe use?+

The 2016 BMW 640i Gran Coupe uses DOT4 specification brake fluid . Brake fluid should be checked and changed when indicated by the CBS system.

What is Condition Based Service (CBS)?+

CBS is BMW's adaptive maintenance system that uses sensors and algorithms to calculate maintenance needs based on actual driving conditions rather than fixed intervals .

How often should brakes be serviced?+

BMW recommends that front and rear brakes are disassembled and serviced at least once every 12,000 miles or 12 months, including inspecting the parking brake .

What are the signs my BMW needs a tune-up?+

Signs include stalling or shaky idling when stopped, diminished fuel economy, knocking noises in the engine, or a lit check engine light .