Specifications

3
Chapter 2 Introduction
This manual contains instructions for testing BMW vehicles.
Some of the illustrations shown in this manual may contain modules and optional equipment that
are not included on your system. Contact a Snap-on Sales Representative for availability of other
modules and optional equipment.
This chapter provides an overview of the conventions used in this manual. The remainder of this
guide is divided in to the following chapters:
• Operations, on page 4 offers general software operating explanations and procedures.
• Testing, on page 9 offers testing information and procedures for various BMW control
systems.
• Data Parameters, on page 66 provides data parameter definitions.
• Terms and Acronyms, on page 101 lists terms and acronyms used in this manual and in
BMW literature.
• Frequently Asked Questions, on page 114 provides information about data bus systems.
• Electronic Control Module Coding and Programming, on page 116 provides information
useful when replacing control modules.
• Identification Plates, on page 118 provides sample locations of engine identification and
transmission identification plates.