BMW 640i Coupe 6 Series 2012 Owner's Manual
![BMW 640i Coupe 6 Series 2012 manual cover](/images/6fd1eacc9d07708040a5a48c/thumbs/thumb175x175.webp)
To reset the service light, turn the ignition to the ON position without starting the engine, press and hold the odometer reset button until the service menu appears, navigate to the desired service item using the toggle button, and press and hold the reset button until the display shows a reset confirmation.
The recommended oil for the BMW 640i Coupe 2012 is synthetic oil with a viscosity of 5W-30, meeting the BMW Longlife-01 specifications.
To troubleshoot the iDrive system, try restarting it by pressing and holding the volume/mute button for about 20 seconds until the system reboots. If the issue persists, a software update at a BMW service center may be necessary.
Common causes of rough idle include dirty or faulty spark plugs, a clogged air filter, vacuum leaks, or issues with the fuel injectors. Regular maintenance and inspection can help prevent these issues.
To pair your phone, enable Bluetooth on your phone, go to the iDrive menu, select Communication, then Bluetooth, and choose "Add New Device." Follow the prompts on both the iDrive and your phone to complete the pairing process.
The recommended tire pressure is typically 32 PSI for the front tires and 35 PSI for the rear tires, but it is always best to check the sticker located on the driver's side door jamb for the exact specifications.
To replace the key fob battery, remove the mechanical key by pressing the release button, then pry open the back cover of the key fob using a flat tool. Replace the old battery with a new CR2450 battery, ensuring the polarity is correct, and reassemble the key fob.
Signs of a failing water pump include coolant leaks under the vehicle, an overheating engine, and unusual noises from the engine bay. If any of these symptoms occur, it is important to have the water pump inspected and replaced if necessary.
To change the cabin air filter, locate the filter housing under the dashboard on the passenger side, remove the access panel, slide out the old filter, and insert the new filter in the same orientation. Replace the access panel securely.
If the check engine light comes on, check for any obvious issues such as a loose gas cap. If the light remains on, it is advisable to have the vehicle's diagnostic codes read by a professional to identify and address the specific problem.