2011 BMW 550I XDRIVE service

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Page 236 of 304

BMW 550I XDRIVE 2011  Owners Manual Automatic Service Request*
The TeleService data necessary for servicing
the 
vehicle are automatically sent to your service
partner prior to the service deadline. If possible,
the service partner will

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BMW 550I XDRIVE 2011  Owners Manual ▷
Use only BMW approved software applica‐
tions; otherwise, it may result in malfunc‐
tions.
Information about suitable cell phones, available
software applications and their installation can
be

Page 239 of 304

BMW 550I XDRIVE 2011  Owners Manual Mobility
To 
ensure that you remain mobile at all times, this
chapter supplies you with important information
on the topics of fuels and lubricants, wheels and tires, service, maintenance, and Roadsid

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BMW 550I XDRIVE 2011  Owners Manual Wheels and tires
Tire inflation pressure
Safety information
The tire characteristics and tire inflation pres‐
sure influence the following:
▷
The service life of the tires.
▷ Road safety.
▷ Dr

Page 250 of 304

BMW 550I XDRIVE 2011  Owners Manual DOT Quality Grades
Treadwear
Traction AA A B C
Temperature A B C
All 
passenger car tires must conform to Federal
Safety Requirements in addition to these
grades.
Treadwear
The treadwear grade is a co

Page 251 of 304

BMW 550I XDRIVE 2011  Owners Manual Minimum tread depth
Wear indicators are distributed around the tire's
circumference and have the legally required
minimum height of 0.063 in/1.6 mm.
They 
are marked on the side of the tire with T

Page 252 of 304

BMW 550I XDRIVE 2011  Owners Manual Recommended tire brands
For each tire size, the manufacturer of your ve‐
hicle recommends certain tire brands. These
can be identified by a star on the tire sidewall.
With proper use, these tires me

Page 253 of 304

BMW 550I XDRIVE 2011  Owners Manual The wheels are composed of special rims and
tires that are self-supporting, to a limited de‐
gree.
The 
support of the sidewall allows the tire to re‐
main drivable to a restricted degree in the e