1362-2

2.7e Fuel Delivery with On-Board Computer

Injection Electronics (2.7e / 325e)

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Click a wire to trace its circuit, or a part to see its pins and what they connect to.

Parts on this page 41

Wires 51

Wire	Size	From	To
Aux pump +	1.0 mm²	S341 R	Auxiliary Fuel Pump 1
Aux pump ground	1.0 mm²	Auxiliary Fuel Pump 2	G300 GND
Chime power	0.5 mm²	S201 L	Chime Module 1
Cluster 30	0.5 mm²	S319 B	Instrument Cluster (service interval indicator) C1-2
Cluster 30 out	0.5 mm²	Instrument Cluster (service interval indicator) 23	S201 T
Code (-)	0.5 mm²	On-Board Computer Relay Box C1-4	On-Board Computer Module 3
Code relay coil +	0.5 mm²	S201 R	On-Board Computer Relay Box C1-3
Code relay common	0.75 mm²	C212 1	On-Board Computer Relay Box C2-3
Code relay output	0.75 mm²	On-Board Computer Relay Box C2-4	C212 2
ECU ground	2.5 mm²	Motronic Control Unit 16	S217 (ECU ground) T
ECU power	1.5 mm²	Main Relay 87	Motronic Control Unit 35
ECU power	1.5 mm²	Main Relay 87	Motronic Control Unit 18
Engine speed	0.5 mm²	Motronic Control Unit 27	Engine speed connector 1
Engine speed	0.5 mm²	Engine speed connector 1	Engine Speed Sensor 1
Engine speed	0.5 mm²	Motronic Control Unit 8	Engine speed connector 2
Engine speed	0.5 mm²	Engine speed connector 2	Engine Speed Sensor 2
Engine speed to ISC	0.5 mm²	Motronic Control Unit 8	Idle Speed Control 1
FP relay 30	1.5 mm²	Battery Junction Block B+	Fuel Pump Relay 30
FP relay coil +	0.75 mm²	Main Relay 87	Fuel Pump Relay 86
FP relay control	0.75 mm²	Fuel Pump Relay 85	Motronic Control Unit 20
Fuel pump feed	1.5 mm²	Fuel Pump Relay 87	C101 13
Fuel pump feed	2.5 mm²	C101 13	C114 2
Fuel pump feed	2.5 mm²	C114 2	Power Distribution Box (Fuse 11) F11-IN
Fuel pumps	2.5 mm²	Power Distribution Box (Fuse 11) F11	S341 T
Fuse 21 out	1.0 mm²	Power Distribution Box (Fuse 21) 21	S319 T
Fuse details	0.75 mm²	S319 R	Fuse Details 1
Ground	4.0 mm²	S217 R	G103 GND
Ground	2.5 mm²	S217 (ECU ground) B	G103 GND
Ground distribution	0.75 mm²	S217 L	Ground Distribution 1
Ground distribution	0.75 mm²	S217 (ECU ground) R	Ground Distribution (2) 1
Ignition 15	2.5 mm²	Ignition Switch 15	C200 2
Ignition 15	2.5 mm²	C200 2	S213 T
Ignition 15	0.75 mm²	S213 B	C103 24
Ignition 15	0.75 mm²	C103 24	C235 2
Ignition 15	0.75 mm²	C235 2	C212 1
Main pump +	2.5 mm²	S341 B	Main Fuel Pump 1
Main pump ground	2.5 mm²	Main Fuel Pump 2	G300 GND
Main relay 30	4.0 mm²	Battery Junction Block B+	Main Relay 30
Main relay 86	0.5 mm²	C104 2	Main Relay 86
Main relay coil feed	0.75 mm²	C212 2	C104 2
Main relay ground	0.75 mm²	Main Relay 85	S217 T
O2 heater relay	0.5 mm²	Fuel Pump Relay 87	To O2 Sensor Heater Relay (link Z) Z
OBC KL30	0.5 mm²	S201 B	On-Board Computer Module 6
Power distribution	0.75 mm²	S213 R	Power Distribution 1
Power distribution	0.75 mm²	Battery Junction Block PD	Power Distribution 1
Shield	0.75 mm²	Idle Speed Control 2	Engine speed connector 3
Shield	0.75 mm²	Engine speed connector 3	Engine Speed Sensor 3
Start 50	0.5 mm²	From Ignition Switch (link S) S	Instrument Cluster (service interval printed circuit) C1-1
Start 50	0.5 mm²	Instrument Cluster (service interval printed circuit) C3-22	On-Board Computer Module 22
Start input	0.5 mm²	Hot in START (link T) T	Motronic Control Unit 4
To S112	4.0 mm²	Main Relay 87	To S112 (link B) B