2009 BMW 6 SERIES Owners Manual

Page 225 of 272

BMW 6 SERIES 2009  Owners Manual Mobility
 223Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Adding engine oil
Do not add 1 US quart/liter of oil until a corre-
sponding message is shown on the Co

Page 226 of 272

BMW 6 SERIES 2009  Owners Manual Under the hood
224
Checking coolant level
1.Do not open the hood until the engine has 
cooled down.
2.Turn the cap of the expansion tank counter-
clockwise to allow any accumulated pres-
sure to escap

Page 227 of 272

BMW 6 SERIES 2009  Owners Manual Mobility
 225Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Maintenance
BMW Maintenance System
The BMW maintenance system supports the 
preservation of the traffic

Page 228 of 272

BMW 6 SERIES 2009  Owners Manual Maintenance
226
Socket for OBD Onboard 
Diagnostics interface
Components which are decisive for the 
exhaust-gas composition can be checked via 
the OBD socket with a device.
This socket is located un

Page 229 of 272

BMW 6 SERIES 2009  Owners Manual Mobility
 227Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Care
Car-care products
Regular cleaning and care make a significant 
contribution to retaining your BMW

Page 230 of 272

BMW 6 SERIES 2009  Owners Manual Care
228 can result in water penetration. Follow the oper-
ating instructions for the high-pressure clean-
ing jets.<
When using high-pressure cleaning jets, 
do not remain in one place for a long tim

Page 231 of 272

BMW 6 SERIES 2009  Owners Manual Mobility
 229Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Repairing paint damage
Repair stone damage or scratches imme-
diately, depending on the severity of the

Page 232 of 272

BMW 6 SERIES 2009  Owners Manual Care
230 trude over the floor mats; otherwise floor mats 
can be damaged.
Fluff on new floor mats is a result of the produc-
tion process and can be removed by repeated 
vacuuming.
Plastic components