Wiring Diagram Symbols Bmw

By | July 19, 2021



Understanding BMW Wiring Diagram Symbols



Working on and understanding the wiring diagram of any BMW vehicle is a complex process. Without prior knowledge, it can be hard to identify the various symbols accurately. This article provides an overview of the wiring diagram symbols used in BMW vehicles.

Behave of Wiring Diagram Symbols



The wiring diagram symbols used in BMW vehicles are generally divided into two main groups, namely the component symbols and the connection symbols. Component symbols refer to the individual components, while connection symbols indicate the way the components are connected. All symbols are clearly labeled to indicate their meanings and functions.

Component Symbols



Component symbols in BMW wiring diagrams typically begin with the letter "P" to indicate that they refer to a specific component. The next letter specifies the type of component, followed by a number that indicates the size or power rating of the component. For example, PS stands for starter circuit, PN stands for Neutral safety switch, and PX stands for voltage regulator, while the numbers after these letters indicate their respective horsepower ratings.

Connections Symbols



Connection symbols indicate how different components are connected. They consist of lines with arrows and blobs indicating the type of connection. Arrows usually point toward the component being powered, and blobs usually indicate circuits that are connected in parallel. A few basic connection symbols include G for ground, S for switch, and FT for fused terminal. Knowing and understanding these symbols is essential for working with BMW wiring diagrams.

Benefits of Understanding BMW Wiring Diagram Symbols



Having a thorough understanding of BMW wiring diagram symbols can enable vehicle owners to diagnose and troubleshoot car problems quickly and effectively. This can save them time and money, as they will not need to visit the mechanic each time they encounter a problem. Knowing the wiring diagram symbols also allows vehicle owners to upgrade their vehicle's electrical system without the assistance of a professional.


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