See also:

Reporting safety defects
For US customers The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you ...

Adding engine oil
Filler neck Only replenish the maximum oil amount of 1 US quart/liter if the message is displayed in the instrument cluster or the oil level has dropped to just at the lower mark of the dipst ...

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 ...