BMW 5 Series (E39)

[BMW 5 Series (E39) - Wikipedia]](https://en.wikipedia.org/wiki/BMW_5_Series_(E39))

1999 528

Connector/ Pin Number	OEM Color	Name / Function
1	GRN	Relay
4	BRN	GND Ground
5	BRN	GND Ground
6	BRN	GND Ground
7	RED	+12v Hot all times
8	RED/BLU	+12v Hot all times

Connector/ Pin Number	OEM Color	Name / Function
1	YEL
2	YEL

2001 540

[BMW M62 - Wikipedia]](https://en.wikipedia.org/wiki/BMW_M62)

Connector/ Pin Number	OEM Color	Name / Function
4	BRN	GND Ground
5	BRN	GND Ground
6	BRN	GND Ground
7	RED	+12v Hot all times
8	RED/BLU	+12v Hot all times

Connector/ Pin Number	OEM Color	Name / Function
5	BRN	GND Ground