2014 BMW 640i xDrive Convertible Service Schedule & Maintenance Guide

Key Takeaways

• The 2014 BMW 640i xDrive Convertible (F12 chassis) is powered by the N55 3.0L turbocharged inline-six engine (engine codes N55B30 / N55B30O0), with an oil capacity of 6.5 liters .
• BMW's Condition Based Service (CBS) system uses sensors and algorithms to calculate maintenance needs based on actual driving conditions rather than fixed intervals, with service data stored in the vehicle's remote key fob .
• For major periodic service, this should generally be performed every 2 years or after 30,000 kilometers (approximately 18,600 miles) .
• The vehicle uses DOT4 specification brake fluid; brake fluid should be changed whenever the brake system is serviced .
• The N55 engine requires BMW LL-01 approved synthetic oil; independent specialists recommend changing oil every 5,000 miles for optimal engine protection .
• The vehicle includes a service interval warning in the instrument cluster and came with 48 months or 50,000 miles of scheduled maintenance coverage from the original in-service date .

Understanding BMW's Condition Based Service (CBS) System

The 2014 BMW 640i xDrive Convertible utilizes BMW's Condition Based Service (CBS) system. The maintenance system directs you to required maintenance measures and supports you in maintaining road safety and the operational reliability of the vehicle . Unlike traditional fixed-interval maintenance schedules, CBS uses sensors and special algorithms that take into account the driving conditions of your vehicle. Based on this, Condition Based Service determines the maintenance requirements . The system makes it possible to adapt the amount of maintenance you need to your user profile.

Service Data in the Remote Control: Information on the required maintenance is continuously stored in the remote control. Your service center will read out this data and suggest the right array of service procedures for your vehicle. Therefore, hand your service specialist the remote control with which the vehicle was driven most recently .

Storage Periods: Storage periods during which the vehicle battery was disconnected are not taken into account. If this occurs, have a service center update the time-dependent maintenance procedures, such as checking brake fluid and, if needed, changing the engine oil and the microfilter/activated-charcoal filter .

Engine Specifications & Capacities

The 2014 BMW 640i xDrive Convertible is equipped with the N55 3.0L turbocharged inline-six engine .

OEM Factory Maintenance Schedule

The following maintenance intervals represent the recommended schedule for the 2014 BMW 640i xDrive Convertible. Exact intervals are determined by the vehicle's CBS system based on driving conditions.

Engine Oil and Filter Change

Motor oil is the single most important element in keeping your engine healthy and helping it to enjoy a long life . The 2014 640i xDrive Convertible uses the N55 engine with an oil capacity of 6.5 liters . BMW's CBS system will indicate when an oil service is due, with typical intervals of 10,000 miles or 12 months .

Oil Specifications:

• BMW LL-01 approved synthetic oil
• BMW-approved synthetic oil meeting manufacturer specifications
• Refer to your owner's manual for the specific viscosity required for your climate

Conservative Owner Guidance: Pelican Parts recommends changing your synthetic motor oil every 5,000 miles for optimal engine protection . Always replace your filter when changing your oil. Different engines and climates require specific oil viscosities—be sure to refer to your owner's manual for the type and viscosity of oil required for your car .

Brake Fluid Service

Brake fluid is a hydraulic fluid specially formulated to withstand the extreme pressures and temperatures of your braking system . The 2014 BMW 640i xDrive Convertible uses DOT4 specification brake fluid .

OEM Guidance: Brake fluid should be changed every time you service your brakes . Check your owner's manual for your vehicle's particular brake fluid specifications.

Brake Fluid Specifications (DOT4):

• Dry Boiling Point: 280°C (536°F)
• Wet Boiling Point: 198°C (388°F)

Conservative Owner Guidance: BMW also offers a low-viscosity formula for extreme braking conditions . Brake fluid is hygroscopic and absorbs moisture over time, which can compromise braking performance.

Wheel Bearing Maintenance

Wheel bearing grease lubricates the bearings that support the weight and heat generated by the spinning of the wheels .

Owner Guidance: It's a good idea to clean and repack your bearings once a year as a preventive measure . High-temperature service grease is recommended for rolling bearings .

BMW Maintenance Program Coverage

The 2014 BMW 640i xDrive Convertible originally came with 48 months or 50,000 miles of scheduled maintenance coverage from the original in-service date . The vehicle also includes a service interval warning in the instrument cluster .

Service and Warranty Information

For major periodic service, this should generally be done every 2 years or after 30,000 kilometres . The BMW maintenance system directs you to required maintenance measures and supports you in maintaining road safety and the operational reliability of the vehicle .

Please consult your Service and Warranty Information Booklet for additional information on service requirements. Maintenance and repair should be performed by your service center. Make sure to have regular maintenance procedures recorded in the vehicle's Service and Warranty Information Booklet, as these entries are proof of regular maintenance.

Long-Term Ownership Outlook

With proactive maintenance, the 2014 BMW 640i xDrive Convertible has a good chance of achieving high mileage. The N55 engine is a reliable powerplant when properly maintained. Staying on track with routine service appointments can help your 640i xDrive Convertible perform better, keep you safer on the road, 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.