MS45 Pinout

NOTE! Work ongoing!!

Note: Some pins were intended to be used in further developement stages, but never in actual production. We marked them grey in the following table.

X60001 - Voltage Supply

X60001 9-pin
Pin	Type	Name	Wire	Description / Signal type	Connection / Measuring notes
1	Input	U_15	0.5 GN	Relay, fuel injectors
2
3	I/O	D_TXD2	0.5 WS/VI	Diagnostic Link TXD	K-Line - Transmission Control Unit
4	Ground	31E	1.5 BR/OR	Ground	Terminal 31 support, E-box
5	Ground	31L	1.5 BR	Ground	Ground Connector
6	Ground	31L	1.5 BR	Ground	Ground Connector
7	Input	30H<102	1.5 RT	Voltage Supply Terminal 30	B+ Potential Distributor
8	Input	U_HR<2	1.0 RT/WS/GE	Voltage Supply Terminal 87	Fuse Carrier Engine Electronics
9

X60002 - Peripherals

X60002 24-pin
Pin	Type	Name	Wire	Description / Signal type	Connection / Measuring notes
1	Output	[PWM] O2 Sensor Heater Pre-Cat Bank 1	Heated O2 Sensor Pre-Cat Bank 1 B62101
2	Input			[0-5V] Signal EGT Sensor Pre-Cat Bank 1	Never Used In Production
3	I/O			Gearbox CAN-Low	Transmission Control Unit A7000 (AT/SMG only)
4	I/O			Gearbox CAN-High	Transmission Control Unit A7000 (AT/SMG only)
5	Input			[0-5V] Signal EGT Sensor Pre-Cat Bank 2	Never Used In Production
6	I/O			Gearbox Diagnostic Link TXD2	Transmission Control Unit A7000 (AT/SMG only)
7	Output			[PWM] O2 Sensor Heater Post-Cat Bank 1	Heated O2 Sensor Post-Cat Bank 1 B62102
8	Ground			EGT Sensor Pre-Cat Bank 1	Never Used In Production
9	Ground			EGT Sensor Pre-Cat Bank 2	Never Used In Production
10	Ground			EGT Sensor Post-Cat Bank 1	Never Used In Production
11	Ground			EGT Sensor Post-Cat Bank 2	Never Used In Production
12	Input			[0/1] Pencil Coil Detection	Voltage Supply Terminal 87 if pencil style ignition coils are equipped
13	Output			[PWM] O2 Sensor Heater Pre-Cat Bank 2	Heated O2 Sensor Pre-Cat Bank 2 B62201
14	Input			[0-5V] Signal O2 Sensor Pre-Cat Bank 1	Heated O2 Sensor Pre-Cat Bank 1 B62101
15	Input			[0-5V] Signal O2 Sensor Pre-Cat Bank 2	Heated O2 Sensor Pre-Cat Bank 2 B62201
16	Input			[0-5V] Signal O2 Sensor Post-Cat Bank 1	Heated O2 Sensor Post-Cat Bank 1 B62102
17	Input			[0-5V] Signal EGT Sensor Post-Cat Bank 2	Never Used In Production
18	Input			[0-5V] Signal O2 Sensor Post-Cat Bank 2	Heated O2 Sensor Post-Cat Bank 2 B62202
19	Output			[PWM] O2 Sensor Heater Post-Cat Bank 2	Heated O2 Sensor Post-Cat Bank 2 B62202
20	Ground			O2 Sensor Pre-Cat Bank 1	Heated O2 Sensor Pre-Cat Bank 1 B62101
21	Ground			O2 Sensor Pre-Cat Bank 2	Heated O2 Sensor Pre-Cat Bank 2 B62201
22	Ground			O2 Sensor Post-Cat Bank 1	Heated O2 Sensor Post-Cat Bank 1 B62102
23	Output			[0/1] ECU Main Relay Control	ECU Main Relay K6300
24	Ground			O2 Sensor Post-Cat Bank 2	Heated O2 Sensor Post-Cat Bank 2 B62202

X60003 - Engine

X60003 52-pin
Pin	Type	Name	Wire	Description / Signal type	Connection / Measuring notes
1	Input			[0-5V] Signal Hot Film Mass Air Flow Sensor	Hot Film Mass Air Flow Sensor
2	Input			Signal Exhaust Camshaft Sensor	Exhaust Camshaft Sensor
3	Output			Spare Output 1	Never Used In Production
4
5	Input			Signal Intake Camshaft Sensor	Intake Camshaft Sensor
6
7	Output			[+5V] Voltage Supply Electric Throttle Body	Electric Throttle Body
8	Input			Signal Crankshaft Sensor	Crankshaft Sensor
9
10	Input			[0-5V] Signal Electric Throttle Body Potentiometer 2	Electric Throttle Body
11	Output			Spare Output 3	Never Used In Production
12
13
14
15	Ground			Exhaust Camshaft Sensor	Exhaust Camshaft Sensor
16
17	Ground			Hot Film Mass Air Flow Sensor	Hot Film Mass Air Flow Sensor
18	Ground			Intake Camshaft Sensor	Intake Camshaft Sensor
19	Input			[0-5V] Signal Electric Throttle Body Potentiometer 1	Electric Throttle Body
20	Ground			Electric Throttle Body	Electric Throttle Body
21	Input			Ground Crankshaft sensor	Crankshaft sensor
22	Output			[0-5V] Signal Intake Air Temperature	Intake Air Temperature Sensor
23	Ground			Intake Air Temperature	Intake Air Temperature Sensor
24	Output			[0-5V] Signal Coolant Temperature	Coolant Temperature Sensor
25	Ground			Coolant Temperature	Coolant Temperature Sensor
26
27	Output			[0-5V] Signal Engine Oil Temperature	Oil Temperature Sensor
28	Ground			Engine Oil Temperature	Oil Temperature Sensor
29	Input			Signal Knock Sensor 1A	Knock Sensor Cylinder 1-3
30	Input			Signal Knock Sensor 1B	Knock Sensor Cylinder 1-3
31	Input			Signal Knock Sensor 2A	Knock Sensor Cylinder 4-6
32	Input			Signal Knock Sensor 2B	Knock Sensor Cylinder 4-6
33	Output			[0/1] Signal Fuel Injector Cylinder 1	Fuel Injector Cylinder 1 Y6101 Pin 1
34	Output			[0/1] Signal Fuel Injector Cylinder 2	Fuel Injector Cylinder 2 Y6102 Pin 1
35	Output			[0/1] Signal Fuel Injector Cylinder 3	Fuel Injector Cylinder 3 Y6103 Pin 1
36	Output			[0/1] Signal Fuel Injector Cylinder 4	Fuel Injector Cylinder 4 Y6104 Pin 1
37	Output			[0/1] Signal Fuel Injector Cylinder 5	Fuel Injector Cylinder 5 Y6105 Pin 1
38	Output			[0/1] Signal Fuel Injector Cylinder 6	Fuel Injector Cylinder 6 Y6106 Pin 1
39
40	Output			[PWM] Signal VANOS Intake Solenoid	VANOS Intake Solenoid
41	Output			[PWM] Signal VANOS Exhaust Solenoid	VANOS Exhaust Solenoid
42	Output			[PWM] Signal Fuel Tank Vent Valve	Fuel Tank Vent Valve
43	Output			[H-Bridge] Electric Throttle Body Actuator 1	Electric Throttle Body
44	Output			[H-Bridge] Electric Throttle Body Actuator 2	Electric Throttle Body
45	Output			[0/1] Characteristic Map Cooling Thermostat	Thermostat
46	Output			[H-Bridge] Idle Speed Actuator Closing Coil	Idle Speed Actuator
47	Output			[H-Bridge] Idle Speed Actuator Opening Coil	Idle Speed Actuator
48	Ground			Shield Knock Sensors	Knock Sensors
49	Output			[0/1] Variable Intake Manifold Flap (VIM/DISA)	Variable Intake Manifold Flap (VIM/DISA)
50
51	Output			[PWM] DMTL Heater	Diagnostic Module Fuel Tank Leakage (With Heater)
52	Output			[0/1] Signal Secondary Air Pump Valve	Secondary Air Pump Valve

X60004 - Vehicle

X60004 40-pin
Pin	Type	Name	Wire	Description / Signal type	Connection / Measuring notes
1
2
3	Output					[0/1] Signal Secondary Air Pump Relay	Secondary Air Pump Relay
4	Output					[PWM] Signal Electric Cooling Fan	Electric Cooling Fan
5	Ground					Secondary Air Pump MAF Sensor	Secondary Air Pump MAF Sensor
6
7	Ground			Pedal Value Sensor	Accelerator Pedal
8	Input			[0-5V] Signal Pedal Value Sensor 1	Accelerator Pedal
9	Output			[+5V] Supply Voltage 1 Pedal Value Sensor	Accelerator Pedal
10	Input			Signal Fuel Pump Relay	Fuel Pump Relay
11
12	Ground			Pedal Value Sensor	Accelerator Pedal
13	Input			[0-5V] Signal Pedal Value Sensor 2	Accelerator Pedal
14	Output			[+5V] Supply Voltage 2 Pedal Value Sensor	Accelerator Pedal
15	Input			[0-5V] Signal Secondary Air Pump MAF Sensor	Secondary Air Pump MAF Sensor
16	Output			Spare Output 4	Never Used In Production
17	Output			Engine Speed Signal	OBD-II Connector
18	Output			[0/1] Signal Exhaust Flap Valve (M54B25xi & M54B30 Only)	Exhaust Flap Valve
19	Output			Signal Reversing light	Instrument Cluster A2
20	Input	[0-5V] Signal Diagnostic Module Fuel Tank Leakage (DMTL)	Diagnostic Module Fuel Tank Leakage
21
22	Input			Signal Processed Wheel Speed Sensor Rear Right	ABS/ASC or ABS/DSC Control Unit
23	Input			[0-5V] Signal Clutch Switch	Clutch Switch
24	Input			[0-5V] Signal Brake Light Switch (BLS)	Light Control Module
25
26	Input			Voltage Supply Terminal 15	Fuse F29
27	I/O			Data Link Multi Function Steering Wheel	Volute Spring Steering Wheel
28	Input			[0-5V] Signal Brake Light Test Switch (BTS)	Brake Light Switch
29	Output			[0/1] Signal A/C Compressor Relay (ACC_RLY)	A/C Compressor Relay
30	Output			[0/1] Signal Diagnostic Module Fuel Tank Leakage Pump (DMTL)	Diagnostic Module Fuel Tank Leakage
31
32	I/O			Engine Diagnostic Link TXD	OBD-II Connector
33	[I/O]			Electronic Vehicle Immobilisation Crosslink	Electronic Vehicle Immobilisation Unit (EWS)
34	Input			[0-5V] Input Fuel Cap Status Switch	Diagnostic Module Fuel Tank Leakage
35	Ground			Cruise control interface	Cruise control interface (Z3 only)
36	I/O			CAN High	CAN Bus Connector
37	I/O			CAN Low	CAN Bus Connector
38	Ground					Coolant Outlet Temperature	Coolant Outlet Temperature Sensor
39	Input			[0-5V] Signal Coolant Outlet Temperature	Coolant Outlet Temperature Sensor
40

X60005 - Ignition

X60005 9-pin
Pin	Type	Name	Wire	Description / Signal type	Connection / Measuring notes
1	Output	P_ZSZ5	1.5 SW/RT/WS	Ignition Signal Cylinder 5	Ignition Coil Cylinder 5
2
3
4		P_ZSZ3	1.5 SW/GE	Ignition Signal Cylinder 3	Ignition Coil Cylinder 3
5	Ground	31L	2.5 BR	Ground	Terminal 31 support, E-box
6	Output	P_ZSZ1	1.5 SW/WS	Ignition Signal Cylinder 1	Ignition Coil Cylinder 1
7	Output	P_ZSZ2	1.5 SW/RT	Ignition Signal Cylinder 2	Ignition Coil Cylinder 2
8	Output	P_ZSZ4	1.5 SW/BL	Ignition Signal Cylinder 4	Ignition Coil Cylinder 4
9	Output	P_ZSZ6	1.5 SW/VI	Ignition Signal Cylinder 6	Ignition Coil Cylinder 6