BMW 5251 Service Manual page 5

Foreword
For the BMW owner with basic mechanical skills and for independent auto service professionals.
this manual includes many of the specifications and procedures that were available to an
authorized BMW dealer service deoartment as this manual went to Dress. The BMW owner with
,
no intention of working on his or her car will find that owning and referring to this manual makes it
possible to be better informed and to more Itnowledgeably discuss repairs with a professional
automotive technician.
If you are a BMW owner intending to do maintenance and repair work, make sure you have
screwdrivers, a set of metric wrenches and sockets and metric Allen and Torx wrenches, since
these basic hand tools are needed for most of the work described in this manual. Many procedures
also require a torque wrench to ensure that fasteners are tightened properly and in accordance
with specifications. Additional information on basic tools and other tips are in 010 General. In
some cases, the text refers to special tools that are recommended or required to accomplish
adjustments or repairs. These tools are usually identified by their BMW special tool number and
illustrated.
Disclaimer
We have endeavored to ensure the accuracy of the information in this manual. When the vast
array of data presented in the manual is talten into account, however, no claim to infallibility can
be made. We therefore cannot be responsible for the result of any errors that may have crept into
the text. Please also read the Important Safety Notice on the copyright page at the beginning of
this book.
Prior to starting a repair procedure, read the procedure, 001 General Warnings and Cautions
and the warnigns and cautions that accompany the procedure. Reading a procedure before
beginning work will help you determine in advance the need for specific skills, identify hazards,
prepare for appropriate capture and handling of hazardous materials, and the need for particular
tools and replacement parts such as gasltets.
Bentley Publishers encourages comments from the readers of this manual with regard to errors,
and/or suggestions for improvement of our product. These communications have been and will be
carefully considered in the preparation of this and other manuals. If you identify inconsistencies in
the manual, you may have found an error. Please contact the publisher and we will endeavor to
post applicable corrections on our website. Posted corrections (errata) should be reviewed before
beginning worlc. Please see the following web address:
BMW offers extensive warranties, especially on components of the fuel delivery and emission
control systems. Therefore, before deciding to repair a BMW that may be covered wholly or in part
by any warranties issued by BMW of North America, LLC, consult your authorized BMW dealer.
You may find that the dealer can make the repair either free or at minimum cost. Regardless of its
age, or whether it is under warranty, your BMW Is both an easy car to service and an easy car to
get serviced. So
if
at any time a repair is needed that you feel is too difficult to do yourself, a trained
BMW technician is ready to do the job for you.
Bentley Publishers