See also:

Connecting headphones
You can connect headphones with a jack plug or operate them using the infrared interface. To enable optimal use of the infrared interface, use infrared headphones that comply with the IEC 61603 ...

Maintenance
Maintain the vehicle regularly to sustain the road safety, operational reliability and the New Vehicle Limited Warranty. Specifications for required maintenance measures: > BMW Maintenance syst ...

Have maintenance carried out
Have vehicles maintained regularly to achieve optimal vehicle economy and operating life. Have the maintenance carried out by your service center. Please also note the BMW Maintenance System ...