BMW N73 pinout

	A	B	C	D	E	F	G	H	I	J
1					A6010 DME1		A6020 DME2
2					A6010 DME1		A6020 DME2
3
4
5			Pin #	Type	Description / Signal type	Connection / Measuring notes		Type	Description / Signal type	Connection / Measuring notes
6	X60101						X60201
7	9-pin, black	1	1	Input	Supply, terminal 15	Integrated supply module (IVM)	9-pin, gray	Input	Supply, terminal 15	Integrated supply module IVM
8		2	2	Output	Signal, return shutoff valve	Return flow shut-off valve			Not occupied
9		3	3	Input/Output	TXD signal	Integrated supply module (IVM)		Input/Output	TXD signal	Integrated supply module IVM
10		4	4	GND	Ground	Integrated supply module (IVM)		GND	Ground	Integrated supply module IVM
11		5	5	GND	Ground	Integrated supply module (IVM)		GND	Ground	Integrated supply module IVM
12		6	6	GND	Ground	Integrated supply module (IVM)		GND	Ground	Integrated supply module IVM
13		7	7	Input +12v	Supply, terminal 30	Integrated supply module (IVM)		Input +12v	Supply, terminal 30	Integrated supply module IVM
14		8	8	Input +12v	Supply, terminal 87	Integrated supply module (IVM)		Input +12v	Supply, terminal 87	Integrated supply module IVM
15		9	9		Not occupied				Not occupied
16	X60102	10	1	Output	Signal, oxygen sensor heating	Oxygen sensor before catalytic converter	X30202	Output	Signal, oxygen sensor heating	Oxygen sensor 2 before catalytic converter
17	24-pin, black	11	2		Not occupied		24-pin, gray		Not occupied
18		12	3		Not occupied				Not occupied
19		13	4		Not occupied				Not occupied
20		14	5		Not occupied				Not occupied
21		15	6	Output	Signal, oxygen sensor heating	Oxygen sensor behind catalytic converter		Output	Signal, oxygen sensor heating	Oxygen sensor 2 behind catalytic converter
22		16	7	Input	Signal, oxygen sensor	Oxygen sensor before catalytic converter		Input	Signal, oxygen sensor	Oxygen sensor 2 before catalytic converter
23		17	8		Not occupied				Not occupied
24		18	9		Not occupied				Not occupied
25		19	10	Input	Signal, oxygen sensor	Oxygen sensor behind catalytic converter		Input	Signal, oxygen sensor	Oxygen sensor 2 behind catalytic converter
26		20	11		Not occupied				Not occupied
27		21	12		Not occupied				Not occupied
28		22	13	Input	Signal, oxygen sensor	Oxygen sensor before catalytic converter		Input	Signal, oxygen sensor	Oxygen sensor 2 before catalytic converter
29		23	14		Not occupied				Not occupied
30		24	15		Not occupied				Not occupied
31		25	16	Input	Signal, oxygen sensor	Oxygen sensor behind catalytic converter		Input	Signal, oxygen sensor	Oxygen sensor 2 behind catalytic converter
32		26	17		Not occupied				Not occupied
33		27	18		Not occupied				Not occupied
34		28	19	Input	Signal, oxygen sensor	Oxygen sensor before catalytic converter		Input	Signal, oxygen sensor	Oxygen sensor 2 before catalytic converter
35		29	20	Input	Signal, oxygen sensor	Oxygen sensor before catalytic converter		Input	Signal, oxygen sensor	Oxygen sensor 2 before catalytic converter
36		30	21		Not occupied				Not occupied
37		31	22		Not occupied				Not occupied
38		32	23	ECU output	Signal, terminal 85	Integrated supply module (IVM)		ECU output	Signal, terminal 85	Integrated supply module IVM
39		33	24		Not occupied				Not occupied
40	X60103	34	1	Input	Signal, hot film air mass meter	Air mass flow sensor	X60203	Input	Signal, hot film air mass meter	Air mass flow sensor 2
41	52-pin, black	35	2	Input	Signal, differential pressure sensor	Differential pressure sensor	52-pin, gray	Input	Signal, differential pressure sensor	Differential pressure sensor 2
42		36	3	Input	Signal, hot film air mass meter	Air mass flow sensor		Input	Signal, hot film air mass meter	Air mass flow sensor 2
43		37	4	Output	Signal, reference voltage	Connector X6957		Output	Signal, reference voltage	Connector X6957
44		38	5		Not occupied				Not occupied
45		39	6	Output	Signal, fuel injector	HDEV control module		Output	Signal, fuel injector	HDEV control module 2
46		40	7	Output	Signal, fuel injector	HDEV control module		Output	Signal, fuel injector	HDEV control module 2
47		41	8	Output	Signal, fuel injector	HDEV control module		Output	Signal, fuel injector	HDEV control module 2
48		42	9	Output	Signal, VANOS valve	VANOS solenoid valve, exhaust		Output	Signal, VANOS valve	VANOS solenoid valve 2, exhaust
49		43	10	Output	Signal, VANOS valve	VANOS solenoid valve, intake		Output	Signal, VANOS valve	VANOS solenoid valve 2, intake
50		44	11	Output	Signal, fuel injector	HDEV control module		Output	Signal, fuel injector	HDEV control module 2
51		45	12	Output	Signal, thermostat heating	Characteristic map thermostat			Not occupied
52		46	13	Output	Signal, fuel injector	HDEV control module		Output	Signal, fuel injector	HDEV control module 2
53		47	14	GND	Ground, analogue	Ground connector		GND	Ground, analogue	Ground connector
54		48	15	Output	Signal, high-pressure pump with volume control valve	High pressure pump		Output	Signal, high-pressure pump with volume control valve	High pressure pump 2
55		49	16		Not occupied				Not occupied
56		50	17		Not occupied				Not occupied
57		51	18	Output	Signal, VVT control module	Variable valve timing gear control module			Not occupied
58		52	19	Input	Signal, alternator terminal 15	BSD alternator			Not occupied
59		53	20		Not occupied				Not occupied
60		54	21	Output	Signal, fuel tank vent valve	Charcoal filter valve		Output	Signal, fuel tank vent valve	Fuel tank vent valve 2
61		55	22	Output	Signal, solenoid valve vacuum	Auxiliary air flap valve			Not occupied
62		56	23		Not occupied				Not occupied
63		57	24		Not occupied				Not occupied
64		58	25		Not occupied				Not occupied
65		59	26		Not occupied			Output	Signal, fuel injector	HDEV control module 2
66		60	27	Input	Signal, crankshaft sensor	Connector X62131		Input	Signal, crankshaft sensor	Connector X62131
67		61	28	Input	Signal, coolant temperature	Engine coolant temperature sensor			Not occupied
68		62	29	Input	Signal, camshaft sensor	Intake camshaft sensor		Input	Signal, camshaft sensor	Exhaust camshaft sensor
69		63	30	Input	Signal, camshaft sensor	Exhaust camshaft sensor		Input	Signal, camshaft sensor	Exhaust camshaft sensor 2
70		64	31	Input	Signal, throttle valve position	Electric throttle valve actuator		Input	Signal, throttle valve position	Electric throttle valve actuator 2
71		65	32	Input	Signal, throttle valve position	Electric throttle valve actuator		Input	Signal, throttle valve position	Electric throttle valve actuator 2
72		66	33	Input	Signal, knock sensor	Knock sensor		Input	Signal, knock sensor	Knock sensor 2
73		67	34	Input	Signal, knock sensor	Knock sensor		Input	Signal, knock sensor	Knock sensor 2
74		68	35	Input	Signal, knock sensor	Knock sensor		Input	Signal, knock sensor	Knock sensor 2
75		69	36		Not occupied				Not occupied
76		70	37	GND	Ground, digital	Ground connector		GND	Ground, digital	Ground connector
77		71	38	Input/Output	High Signal, CAN-bus Local-CAN	CAN-bus connector		Input/Output	Signal, CAN-bus	CAN-bus connector
78		72	39		Not occupied				Not occupied
79		73	40		Not occupied				Not occupied
80		74	41		Not occupied				Not occupied
81		75	42	Output	Signal, actuator for electric throttle valve	Electric throttle valve actuator		Output	Signal, actuator for electric throttle valve	Electric throttle valve actuator 2
82		76	43	Output	Signal, actuator for electric throttle valve	Electric throttle valve actuator		Output	Signal, actuator for electric throttle valve	Electric throttle valve actuator 2
83		77	44	Input	Ground, fuel injector	Fuel pressure sensor		Input	Ground, fuel injector	Fuel pressure sensor 2
84		78	45		Not occupied			GND	Ground	Ground connection X6460, X6463, X6464, X10682
85		79	46	Input	Signal, knock sensor	Knock sensor		Input	Signal, knock sensor	Knock sensor 2
86		80	47	Input	Signal, knock sensor	Knock sensor		Input	Signal, knock sensor	Knock sensor 2
87		81	48	Input	Signal, knock sensor	Knock sensor		Input	Signal, knock sensor	Knock sensor 2
88		82	49		Not occupied				Not occupied
89		83	50	Output	Supply, electric throttle valve	Electric throttle valve actuator		Output	Supply, electric throttle valve	Electric throttle valve actuator 2
90		84	51	Input/Output	Low Signal, CAN-bus	CAN-bus connector		Input/Output	Signal, CAN-bus	CAN-bus connector
91		85	52	GND	Ground, electric throttle valve	Electric throttle valve actuator		GND	Ground, electric throttle valve	Electric throttle valve actuator 2
92	X60104	86	1		Not occupied		X60204		Not occupied
93	40-pin, black	87	2	Output	Signal, fuel tank leak diagnosis heating	Diagnostic module, fuel tank leakage USA	40-pin, gray		Not occupied
94		88	3	Output	Signal, secondary air pump	Secondary air pump relay			Not occupied
95		89	4	Output	Signal, electric fan	Electric fan			Not occupied
96		90	5	GND	Ground	Ground point		GND	Ground	Ground point
97		91	6	Input	Signal, terminal 50	Car access control module		Input	Signal, terminal 50	Car access control module
98		92	7	GND	Ground, accelerator pedal position sensor	Accelerator pedal module			Not occupied
99		93	8	Input	Signal, accelerator pedal position sensor	Accelerator pedal module			Not occupied
100		94	9	Output	Supply, accelerator pedal position sensor	Accelerator pedal module			Not occupied