Specifications
General Information
* Certain specifications are also given in the text of this Section, and where their execution is mandatory they are highlighted in bold.
Fuse Location and Current Rating


Fuses in the luggage compartment are numbered from 46 to 74.

Fuse color coding (by current rating, A)
5 — light brown
7.5 — brown
10 — red
15 — blue
20 — yellow
30 — green
40 — orange
Incandescent Lamps, 12 V

Threaded Connection Tightening Torques
Fastener tightening torques are given in the text of this Section and in some illustrations.
Torques highlighted in bold in the text must be strictly observed; torques not highlighted in bold are given for reference only.
GENERAL INFORMATION
Vehicles of this make are equipped with a 12 V electrical system with negative ground. All lighting devices and electrical units are powered by a lead-acid battery, recharged by an alternator.
This Section describes service and repair procedures for certain components of the body electrical system, which include, in addition to those specifically covered below, all lighting devices and electrical accessories not directly related to the engine. In addition, general electrical troubleshooting procedures are covered.
* When performing any repair and maintenance work on electrical system components, always disconnect the negative battery cable first to avoid electric shock and/or fire.
Test yourself
A quick BMW 1 quiz: every answer comes with an explanation and a link to the manual page.