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BMW 3 Series E46 1998–2006 (M54) → DTAFast P8 (auto)

BMW 3 Series E46 1998–2006 (M54) — DTAFast — P8
⚠ NOT CHECKED. Don't build from this.
Drawn by Michael Gnankou · Rev 0 · draft · 2026-10-11

Before you start

Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.

Statusdraft · not yet verified: nobody has reported building and running this harness
Open errors3: read the Findings page before cutting any wire
Size of the job64 wires · 10 connectors · 1 part lines
ToolsCrimp and extraction tools for each terminal family (see Connectors) · wire strippers · multimeter · heat gun + heat-shrink
Order of work1. Check every part against the parts list. 2. Cut and label every wire (labels: Export → Wire labels). 3. Crimp and pin connector by connector, ticking the build checklist. 4. Run the bench test with nothing plugged in and the battery disconnected. 5. Only then connect the ECU and power up.

Build checklist

Tick each box as you go. Continuity: meter from end to end, expect under 1 Ω.

WireFromToGaugeColourCutLabelCrimp ACrimp BPin APin BContinuity
W1OEM-X60001-8SP-14V-10.85☐☐☐☐☐☐☐
W2OEM-X60001-9SP-14V-10.85☐☐☐☐☐☐☐
W3SP-14V-1P8-C1-190.85☐☐☐☐☐☐☐
W4OEM-X60001-4SP-GND-10.85☐☐☐☐☐☐☐
W5OEM-X60001-5SP-GND-10.85☐☐☐☐☐☐☐
W6OEM-X60001-6SP-GND-10.85☐☐☐☐☐☐☐
W7OEM-X60005-5SP-GND-10.85☐☐☐☐☐☐☐
W8SP-GND-1P8-C1-150.85☐☐☐☐☐☐☐
W9SP-GND-1P8-C1-340.85☐☐☐☐☐☐☐
W10SP-GND-1P8-C1-550.85☐☐☐☐☐☐☐
W11OEM-X60002-20SP-0V-10.5☐☐☐☐☐☐☐
W12OEM-X60002-21SP-0V-10.5☐☐☐☐☐☐☐
W13OEM-X60002-22SP-0V-10.5☐☐☐☐☐☐☐
W14OEM-X60002-24SP-0V-10.5☐☐☐☐☐☐☐
W15OEM-X60003-15SP-0V-10.5☐☐☐☐☐☐☐
W16OEM-X60003-17SP-0V-10.5☐☐☐☐☐☐☐
W17OEM-X60003-18SP-0V-10.5☐☐☐☐☐☐☐
W18OEM-X60003-20SP-0V-10.5☐☐☐☐☐☐☐
W19OEM-X60003-21SP-0V-10.5☐☐☐☐☐☐☐
W20OEM-X60003-23SP-0V-10.5☐☐☐☐☐☐☐
W21OEM-X60003-25SP-0V-10.5☐☐☐☐☐☐☐
W22OEM-X60003-28SP-0V-10.5☐☐☐☐☐☐☐
W23OEM-X60004-12SP-0V-10.5☐☐☐☐☐☐☐
W24OEM-X60004-7SP-0V-10.5☐☐☐☐☐☐☐
W25SP-0V-1P8-C1-460.5☐☐☐☐☐☐☐
W26SP-0V-1P8-C1-470.5☐☐☐☐☐☐☐
W27SP-0V-1P8-C1-490.5☐☐☐☐☐☐☐
W28SP-0V-1P8-C1-510.5☐☐☐☐☐☐☐
W29OEM-X60003-7SP-5V1-10.5☐☐☐☐☐☐☐
W30OEM-X60004-14SP-5V1-10.5☐☐☐☐☐☐☐
W31OEM-X60004-9SP-5V1-10.5☐☐☐☐☐☐☐
W32SP-5V1-1P8-C1-100.5☐☐☐☐☐☐☐
W33OEM-X60003-8P8-C1-80.5☐☐☐☐☐☐☐
W34OEM-X60003-2P8-C1-270.5☐☐☐☐☐☐☐
W35OEM-X60003-5P8-C1-290.5☐☐☐☐☐☐☐
W36OEM-X60005-3P8-C1-10.5☐☐☐☐☐☐☐
W37OEM-X60005-2P8-C1-380.5☐☐☐☐☐☐☐
W38OEM-X60005-1P8-C1-200.5☐☐☐☐☐☐☐
W39OEM-X60005-9P8-C1-20.5☐☐☐☐☐☐☐
W40OEM-X60005-8P8-C1-390.5☐☐☐☐☐☐☐
W41OEM-X60005-7P8-C1-30.5☐☐☐☐☐☐☐
W42OEM-X60003-33P8-C1-370.5☐☐☐☐☐☐☐
W43OEM-X60003-34P8-C1-180.5☐☐☐☐☐☐☐
W44OEM-X60003-35P8-C1-540.5☐☐☐☐☐☐☐
W45OEM-X60003-36P8-C1-360.5☐☐☐☐☐☐☐
W46OEM-X60003-37P8-C1-170.5☐☐☐☐☐☐☐
W47OEM-X60003-38P8-C1-350.5☐☐☐☐☐☐☐
W48OEM-X60001-1P8-C1-410.5☐☐☐☐☐☐☐
W49OEM-X60002-23P8-C1-50.5☐☐☐☐☐☐☐
W50OEM-X60004-10P8-C1-430.5☐☐☐☐☐☐☐
W51OEM-X60002-1P8-C1-420.5☐☐☐☐☐☐☐
W52OEM-X60002-13P8-C1-210.5☐☐☐☐☐☐☐
W53OEM-X60002-19P8-C1-230.5☐☐☐☐☐☐☐
W54OEM-X60002-7P8-C1-40.5☐☐☐☐☐☐☐
W55OEM-X60003-40P8-C1-60.5☐☐☐☐☐☐☐
W56OEM-X60003-41P8-C1-530.5☐☐☐☐☐☐☐
W57OEM-X60003-42P8-C1-160.5☐☐☐☐☐☐☐
W58OEM-X60003-1P8-C1-250.5☐☐☐☐☐☐☐
W59OEM-X60003-19P8-C1-480.5☐☐☐☐☐☐☐
W60OEM-X60004-8P8-C1-70.5☐☐☐☐☐☐☐
W61OEM-X60003-10P8-C1-440.5☐☐☐☐☐☐☐
W62OEM-X60002-14P8-C1-120.5☐☐☐☐☐☐☐
W63OEM-X60003-24P8-C1-260.5☐☐☐☐☐☐☐
W64OEM-X60003-22P8-C1-450.5☐☐☐☐☐☐☐

Bench test (before first power-up)

Battery disconnected, ECU and every sensor unplugged. Meter on resistance. Each pair below must read open (OL): a reading means a pinched wire, a stray strand or a mis-pinned cavity. Then check continuity of every wire (last column of the build checklist).

#Probe AProbe BExpectWhyReading
1P8-C1-19P8-C1-46open (OL)+12 V supply must not touch sensor ground
2P8-C1-15P8-C1-10open (OL)power ground must not touch 5 V sensor reference
3P8-C1-15P8-C1-19open (OL)power ground must not touch +12 V supply
4P8-C1-19P8-C1-10open (OL)+12 V supply must not touch 5 V sensor reference
5P8-C1-46P8-C1-10open (OL)sensor ground must not touch 5 V sensor reference

If any reading doesn't match, stop and get help before powering up.

Revisions

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Schematic

OEM-X60001OEM-X60002OEM-X60003OEM-X60004OEM-X60005P8-C1SP-0VSP-14VSP-5V1SP-GND

Connectors

OEM-X60001

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Injector/unloader relay control (terminal 15)—W48—0.5P8-C1-41———
4Power ground—W4—0.85SP-GND-1———
5Power ground—W5—0.85SP-GND-1———
6Power ground—W6—0.85SP-GND-1———
7Battery constant (terminal 30)————————
8ECU main power (terminal 87 via main relay)—W1—0.85SP-14V-1———
9Voltage supply (injector / fuse carrier)—W2—0.85SP-14V-1———

OEM-X60002

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1O2 sensor heater, bank 1 pre-cat—W51—0.5P8-C1-42———
13O2 sensor heater, bank 2 pre-cat—W52—0.5P8-C1-21———
14O2 sensor signal, bank 1 pre-cat—W62—0.5P8-C1-12———
15O2 sensor signal, bank 2 pre-cat————————
16O2 sensor signal, bank 1 post-cat————————
18O2 sensor signal, bank 2 post-cat————————
19O2 sensor heater, bank 2 post-cat—W53—0.5P8-C1-23———
20O2 sensor ground, bank 1 pre-cat—W11—0.5SP-0V-1———
21O2 sensor ground, bank 2 pre-cat—W12—0.5SP-0V-1———
22O2 sensor ground, bank 1 post-cat—W13—0.5SP-0V-1———
23Main relay control—W49—0.5P8-C1-5———
24O2 sensor ground, bank 2 post-cat—W14—0.5SP-0V-1———
7O2 sensor heater, bank 1 post-cat—W54—0.5P8-C1-4———

OEM-X60003

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Mass air flow (MAF) signal—W58—0.5P8-C1-25———
10Throttle position sensor 2—W61—0.5P8-C1-44———
15Exhaust camshaft ground—W15—0.5SP-0V-1———
17MAF ground—W16—0.5SP-0V-1———
18Intake camshaft ground—W17—0.5SP-0V-1———
19Throttle position sensor 1—W59—0.5P8-C1-48———
2Exhaust camshaft position—W34—0.5P8-C1-27———
20Throttle ground—W18—0.5SP-0V-1———
21Crankshaft ground—W19—0.5SP-0V-1———
22Intake air temperature (IAT)—W64—0.5P8-C1-45———
23IAT ground—W20—0.5SP-0V-1———
24Engine coolant temperature (ECT)—W63—0.5P8-C1-26———
25ECT ground—W21—0.5SP-0V-1———
27Engine oil temperature————————
28Oil temperature ground—W22—0.5SP-0V-1———
29Knock sensor, cylinders 1-3 (A)————————
30Knock sensor, cylinders 1-3 (B)————————
31Knock sensor, cylinders 4-6 (A)————————
32Knock sensor, cylinders 4-6 (B)————————
33Injector cylinder 1—W42—0.5P8-C1-37———
34Injector cylinder 2—W43—0.5P8-C1-18———
35Injector cylinder 3—W44—0.5P8-C1-54———
36Injector cylinder 4—W45—0.5P8-C1-36———
37Injector cylinder 5—W46—0.5P8-C1-17———
38Injector cylinder 6—W47—0.5P8-C1-35———
40VANOS intake solenoid—W55—0.5P8-C1-6———
41VANOS exhaust solenoid—W56—0.5P8-C1-53———
42Evap purge valve—W57—0.5P8-C1-16———
43Throttle motor drive 1 (H-bridge)————————
44Throttle motor drive 2 (H-bridge)————————
45Map-controlled thermostat————————
46Idle speed control, close————————
47Idle speed control, open————————
48Knock sensor shield————————
49DISA intake flap————————
5Intake camshaft position—W35—0.5P8-C1-29———
7Throttle body +5V supply—W29—0.5SP-5V1-1———
8Crankshaft position—W33—0.5P8-C1-8———

OEM-X60004

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
10Fuel pump relay control—W50—0.5P8-C1-43———
12Pedal ground 2—W23—0.5SP-0V-1———
13Pedal position signal 2————————
14Pedal +5V supply 2—W30—0.5SP-5V1-1———
7Pedal ground 1—W24—0.5SP-0V-1———
8Pedal position signal 1—W60—0.5P8-C1-7———
9Pedal +5V supply 1—W31—0.5SP-5V1-1———

OEM-X60005

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Ignition coil 3—W38—0.5P8-C1-20———
2Ignition coil 2—W37—0.5P8-C1-38———
3Ignition coil 1—W36—0.5P8-C1-1———
5Ignition ground—W7—0.85SP-GND-1———
7Ignition coil 6—W41—0.5P8-C1-3———
8Ignition coil 5—W40—0.5P8-C1-39———
9Ignition coil 4—W39—0.5P8-C1-2———

P8-C1

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Coil 1—W36—0.5OEM-X60005-3———
105 Volts—W32—0.5SP-5V1-1———
11Undriven Wheel (must)————————
12Lambda Signal—W62—0.5OEM-X60002-14———
13Map2/ALS/Ana1 On/Off————————
14Traction Wet/Dry————————
15Power Ground—W8—0.85SP-GND-1———
16Injector 8—W57—0.5OEM-X60003-42———
17Injector 5—W46—0.5OEM-X60003-37———
18Injector 2—W43—0.5OEM-X60003-34———
1912 Volts—W3—0.85SP-14V-1———
2Coil 4—W39—0.5OEM-X60005-9———
20Coil 3—W38—0.5OEM-X60005-1———
21Turbo Pressure Valve—W52—0.5OEM-X60002-13———
22Coil 8/or Aux5————————
23Turbo ALS Valve—W53—0.5OEM-X60002-19———
24Tacho————————
25Analogue Input 1—W58—0.5OEM-X60003-1———
26Water Temp—W63—0.5OEM-X60003-24———
27Cam Sensor—W34—0.5OEM-X60003-2———
285 Volts————————
29Left Driven Wheel—W35—0.5OEM-X60003-5———
3Coil 6—W41—0.5OEM-X60005-7———
30Map————————
31Launch Button————————
32Traction On/Off————————
33Shift Cut————————
34Power Ground—W9—0.85SP-GND-1———
35Injector 6—W47—0.5OEM-X60003-38———
36Injector 4—W45—0.5OEM-X60003-36———
37Injector 1—W42—0.5OEM-X60003-33———
38Coil 2—W37—0.5OEM-X60005-2———
39Coil 5—W40—0.5OEM-X60005-8———
4Idle Valve—W54—0.5OEM-X60002-7———
40Coil 7————————
41Fuel Pump Relay—W48—0.5OEM-X60001-1———
42Cam Phase Valve/Aux Out 4—W51—0.5OEM-X60002-1———
43Aux Out 3—W50—0.5OEM-X60004-10———
44Analogue Input 3—W61—0.5OEM-X60003-10———
45Air Temp—W64—0.5OEM-X60003-22———
46Signal Ground—W25—0.5SP-0V-1———
47Signal Ground—W26—0.5SP-0V-1———
48Throttle Wiper—W59—0.5OEM-X60003-19———
49Lambda Earth—W27—0.5SP-0V-1———
5Aux Out 2—W49—0.5OEM-X60002-23———
50Undriven Wheel (optional)————————
51Signal Ground—W28—0.5SP-0V-1———
525 Volts————————
53Injector 7—W56—0.5OEM-X60003-41———
54Injector 3—W44—0.5OEM-X60003-35———
55Power Ground—W10—0.85SP-GND-1———
6Shift Light—W55—0.5OEM-X60003-40———
7Analogue Input 2 Or Log Switch—W60—0.5OEM-X60004-8———
8Crank Sensor—W33—0.5OEM-X60003-8———
9Right Driven Wheel————————

SP-0V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W11—0.5OEM-X60002-20———
1——W12—0.5OEM-X60002-21———
1——W13—0.5OEM-X60002-22———
1——W14—0.5OEM-X60002-24———
1——W15—0.5OEM-X60003-15———
1——W16—0.5OEM-X60003-17———
1——W17—0.5OEM-X60003-18———
1——W18—0.5OEM-X60003-20———
1——W19—0.5OEM-X60003-21———
1——W20—0.5OEM-X60003-23———
1——W21—0.5OEM-X60003-25———
1——W22—0.5OEM-X60003-28———
1——W23—0.5OEM-X60004-12———
1——W24—0.5OEM-X60004-7———
1——W25—0.5P8-C1-46———
1——W26—0.5P8-C1-47———
1——W27—0.5P8-C1-49———
1——W28—0.5P8-C1-51———

SP-14V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W1—0.85OEM-X60001-8———
1——W2—0.85OEM-X60001-9———
1——W3—0.85P8-C1-19———

SP-5V1

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W29—0.5OEM-X60003-7———
1——W30—0.5OEM-X60004-14———
1——W31—0.5OEM-X60004-9———
1——W32—0.5P8-C1-10———

SP-GND

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W4—0.85OEM-X60001-4———
1——W5—0.85OEM-X60001-5———
1——W6—0.85OEM-X60001-6———
1——W7—0.85OEM-X60005-5———
1——W8—0.85P8-C1-15———
1——W9—0.85P8-C1-34———
1——W10—0.85P8-C1-55———

Pin map

OEM pointOEM functionOEM familyTarget pointTarget functionTarget familyWire colourEvidence
OEM-X60001-1Injector/unloader relay control (terminal 15)low_side_outP8-C1-41Fuel Pump Relaylow_side_outcorroborated
OEM-X60001-4Power groundgroundP8-C1-15 + P8-C1-34 + P8-C1-55Power Ground + Power Ground + Power Groundgroundcorroborated
OEM-X60001-5Power groundgroundP8-C1-15 + P8-C1-34 + P8-C1-55Power Ground + Power Ground + Power Groundgroundcorroborated
OEM-X60001-6Power groundgroundP8-C1-15 + P8-C1-34 + P8-C1-55Power Ground + Power Ground + Power Groundgroundcorroborated
OEM-X60001-7Battery constant (terminal 30)power_in———corroborated
OEM-X60001-8ECU main power (terminal 87 via main relay)power_inP8-C1-1912 Voltspower_incorroborated
OEM-X60001-9Voltage supply (injector / fuse carrier)power_inP8-C1-1912 Voltspower_incorroborated
OEM-X60002-1O2 sensor heater, bank 1 pre-catlow_side_outP8-C1-42Cam Phase Valve/Aux Out 4low_side_outcorroborated
OEM-X60002-13O2 sensor heater, bank 2 pre-catlow_side_outP8-C1-21Turbo Pressure Valvelow_side_outcorroborated
OEM-X60002-14O2 sensor signal, bank 1 pre-catlambda_nb_inP8-C1-12Lambda Signallambda_nb_incorroborated
OEM-X60002-15O2 sensor signal, bank 2 pre-catlambda_nb_in———corroborated
OEM-X60002-16O2 sensor signal, bank 1 post-catlambda_nb_in———corroborated
OEM-X60002-18O2 sensor signal, bank 2 post-catlambda_nb_in———corroborated
OEM-X60002-19O2 sensor heater, bank 2 post-catlow_side_outP8-C1-23Turbo ALS Valvelow_side_outcorroborated
OEM-X60002-20O2 sensor ground, bank 1 pre-catsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60002-21O2 sensor ground, bank 2 pre-catsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60002-22O2 sensor ground, bank 1 post-catsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60002-23Main relay controllow_side_outP8-C1-5Aux Out 2low_side_outcorroborated
OEM-X60002-24O2 sensor ground, bank 2 post-catsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60002-7O2 sensor heater, bank 1 post-catlow_side_outP8-C1-4Idle Valvelow_side_outcorroborated
OEM-X60003-1Mass air flow (MAF) signalanalog_inP8-C1-25Analogue Input 1analog_incorroborated
OEM-X60003-10Throttle position sensor 2analog_inP8-C1-44Analogue Input 3analog_incorroborated
OEM-X60003-15Exhaust camshaft groundsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60003-17MAF groundsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60003-18Intake camshaft groundsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60003-19Throttle position sensor 1analog_inP8-C1-48Throttle Wiperanalog_incorroborated
OEM-X60003-2Exhaust camshaft positiontrigger_inP8-C1-27Cam Sensortrigger_incorroborated
OEM-X60003-20Throttle groundsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60003-21Crankshaft groundsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60003-22Intake air temperature (IAT)temp_inP8-C1-45Air Temptemp_incorroborated
OEM-X60003-23IAT groundsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60003-24Engine coolant temperature (ECT)temp_inP8-C1-26Water Temptemp_incorroborated
OEM-X60003-25ECT groundsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60003-27Engine oil temperaturetemp_in———corroborated
OEM-X60003-28Oil temperature groundsensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60003-29Knock sensor, cylinders 1-3 (A)knock_in———corroborated
OEM-X60003-30Knock sensor, cylinders 1-3 (B)knock_in———corroborated
OEM-X60003-31Knock sensor, cylinders 4-6 (A)knock_in———corroborated
OEM-X60003-32Knock sensor, cylinders 4-6 (B)knock_in———corroborated
OEM-X60003-33Injector cylinder 1injector_outP8-C1-37Injector 1injector_outcorroborated
OEM-X60003-34Injector cylinder 2injector_outP8-C1-18Injector 2injector_outcorroborated
OEM-X60003-35Injector cylinder 3injector_outP8-C1-54Injector 3injector_outcorroborated
OEM-X60003-36Injector cylinder 4injector_outP8-C1-36Injector 4injector_outcorroborated
OEM-X60003-37Injector cylinder 5injector_outP8-C1-17Injector 5injector_outcorroborated
OEM-X60003-38Injector cylinder 6injector_outP8-C1-35Injector 6injector_outcorroborated
OEM-X60003-40VANOS intake solenoidlow_side_outP8-C1-6Shift Lightlow_side_outcorroborated
OEM-X60003-41VANOS exhaust solenoidlow_side_outP8-C1-53Injector 7injector_outcorroborated
OEM-X60003-42Evap purge valvelow_side_outP8-C1-16Injector 8injector_outcorroborated
OEM-X60003-43Throttle motor drive 1 (H-bridge)hbridge_out———corroborated
OEM-X60003-44Throttle motor drive 2 (H-bridge)hbridge_out———corroborated
OEM-X60003-45Map-controlled thermostatlow_side_out———corroborated
OEM-X60003-46Idle speed control, closehbridge_out———corroborated
OEM-X60003-47Idle speed control, openhbridge_out———corroborated
OEM-X60003-48Knock sensor shieldshield———corroborated
OEM-X60003-49DISA intake flaplow_side_out———corroborated
OEM-X60003-5Intake camshaft positiontrigger_inP8-C1-29Left Driven Wheeldigital_incorroborated
OEM-X60003-7Throttle body +5V supplyvrefP8-C1-105 Voltsvrefcorroborated
OEM-X60003-8Crankshaft positiontrigger_inP8-C1-8Crank Sensortrigger_incorroborated
OEM-X60004-10Fuel pump relay controllow_side_outP8-C1-43Aux Out 3low_side_outcorroborated
OEM-X60004-12Pedal ground 2sensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60004-13Pedal position signal 2analog_in———corroborated
OEM-X60004-14Pedal +5V supply 2vrefP8-C1-105 Voltsvrefcorroborated
OEM-X60004-7Pedal ground 1sensor_groundP8-C1-46 + P8-C1-47 + P8-C1-49 + P8-C1-51Signal Ground + Signal Ground + Lambda Earth + Signal Groundsensor_groundcorroborated
OEM-X60004-8Pedal position signal 1analog_inP8-C1-7Analogue Input 2 Or Log Switchanalog_incorroborated
OEM-X60004-9Pedal +5V supply 1vrefP8-C1-105 Voltsvrefcorroborated
OEM-X60005-1Ignition coil 3ignition_outP8-C1-20Coil 3ignition_outcorroborated
OEM-X60005-2Ignition coil 2ignition_outP8-C1-38Coil 2ignition_outcorroborated
OEM-X60005-3Ignition coil 1ignition_outP8-C1-1Coil 1ignition_outcorroborated
OEM-X60005-5Ignition groundgroundP8-C1-15 + P8-C1-34 + P8-C1-55Power Ground + Power Ground + Power Groundgroundcorroborated
OEM-X60005-7Ignition coil 6ignition_outP8-C1-3Coil 6ignition_outcorroborated
OEM-X60005-8Ignition coil 5ignition_outP8-C1-39Coil 5ignition_outcorroborated
OEM-X60005-9Ignition coil 4ignition_outP8-C1-2Coil 4ignition_outcorroborated

Cut list

WireFromToGauge (mm²)ColourLengthSignalIdent
W1OEM-X60001-8SP-14V-10.85no routeECU main power (terminal 87 via main relay)—
W2OEM-X60001-9SP-14V-10.85no routeVoltage supply (injector / fuse carrier)—
W3SP-14V-1P8-C1-190.85no route12 Volts—
W4OEM-X60001-4SP-GND-10.85no routePower ground—
W5OEM-X60001-5SP-GND-10.85no routePower ground—
W6OEM-X60001-6SP-GND-10.85no routePower ground—
W7OEM-X60005-5SP-GND-10.85no routeIgnition ground—
W8SP-GND-1P8-C1-150.85no routePower Ground—
W9SP-GND-1P8-C1-340.85no routePower Ground—
W10SP-GND-1P8-C1-550.85no routePower Ground—
W11OEM-X60002-20SP-0V-10.5no routeO2 sensor ground, bank 1 pre-cat—
W12OEM-X60002-21SP-0V-10.5no routeO2 sensor ground, bank 2 pre-cat—
W13OEM-X60002-22SP-0V-10.5no routeO2 sensor ground, bank 1 post-cat—
W14OEM-X60002-24SP-0V-10.5no routeO2 sensor ground, bank 2 post-cat—
W15OEM-X60003-15SP-0V-10.5no routeExhaust camshaft ground—
W16OEM-X60003-17SP-0V-10.5no routeMAF ground—
W17OEM-X60003-18SP-0V-10.5no routeIntake camshaft ground—
W18OEM-X60003-20SP-0V-10.5no routeThrottle ground—
W19OEM-X60003-21SP-0V-10.5no routeCrankshaft ground—
W20OEM-X60003-23SP-0V-10.5no routeIAT ground—
W21OEM-X60003-25SP-0V-10.5no routeECT ground—
W22OEM-X60003-28SP-0V-10.5no routeOil temperature ground—
W23OEM-X60004-12SP-0V-10.5no routePedal ground 2—
W24OEM-X60004-7SP-0V-10.5no routePedal ground 1—
W25SP-0V-1P8-C1-460.5no routeSignal Ground—
W26SP-0V-1P8-C1-470.5no routeSignal Ground—
W27SP-0V-1P8-C1-490.5no routeLambda Earth—
W28SP-0V-1P8-C1-510.5no routeSignal Ground—
W29OEM-X60003-7SP-5V1-10.5no routeThrottle body +5V supply—
W30OEM-X60004-14SP-5V1-10.5no routePedal +5V supply 2—
W31OEM-X60004-9SP-5V1-10.5no routePedal +5V supply 1—
W32SP-5V1-1P8-C1-100.5no route5 Volts—
W33OEM-X60003-8P8-C1-80.5no routeCrankshaft position—
W34OEM-X60003-2P8-C1-270.5no routeExhaust camshaft position—
W35OEM-X60003-5P8-C1-290.5no routeIntake camshaft position—
W36OEM-X60005-3P8-C1-10.5no routeIgnition coil 1—
W37OEM-X60005-2P8-C1-380.5no routeIgnition coil 2—
W38OEM-X60005-1P8-C1-200.5no routeIgnition coil 3—
W39OEM-X60005-9P8-C1-20.5no routeIgnition coil 4—
W40OEM-X60005-8P8-C1-390.5no routeIgnition coil 5—
W41OEM-X60005-7P8-C1-30.5no routeIgnition coil 6—
W42OEM-X60003-33P8-C1-370.5no routeInjector cylinder 1—
W43OEM-X60003-34P8-C1-180.5no routeInjector cylinder 2—
W44OEM-X60003-35P8-C1-540.5no routeInjector cylinder 3—
W45OEM-X60003-36P8-C1-360.5no routeInjector cylinder 4—
W46OEM-X60003-37P8-C1-170.5no routeInjector cylinder 5—
W47OEM-X60003-38P8-C1-350.5no routeInjector cylinder 6—
W48OEM-X60001-1P8-C1-410.5no routeInjector/unloader relay control (terminal 15)—
W49OEM-X60002-23P8-C1-50.5no routeMain relay control—
W50OEM-X60004-10P8-C1-430.5no routeFuel pump relay control—
W51OEM-X60002-1P8-C1-420.5no routeO2 sensor heater, bank 1 pre-cat—
W52OEM-X60002-13P8-C1-210.5no routeO2 sensor heater, bank 2 pre-cat—
W53OEM-X60002-19P8-C1-230.5no routeO2 sensor heater, bank 2 post-cat—
W54OEM-X60002-7P8-C1-40.5no routeO2 sensor heater, bank 1 post-cat—
W55OEM-X60003-40P8-C1-60.5no routeVANOS intake solenoid—
W56OEM-X60003-41P8-C1-530.5no routeVANOS exhaust solenoid—
W57OEM-X60003-42P8-C1-160.5no routeEvap purge valve—
W58OEM-X60003-1P8-C1-250.5no routeMass air flow (MAF) signal—
W59OEM-X60003-19P8-C1-480.5no routeThrottle position sensor 1—
W60OEM-X60004-8P8-C1-70.5no routePedal position signal 1—
W61OEM-X60003-10P8-C1-440.5no routeThrottle position sensor 2—
W62OEM-X60002-14P8-C1-120.5no routeO2 sensor signal, bank 1 pre-cat—
W63OEM-X60003-24P8-C1-260.5no routeEngine coolant temperature (ECT)—
W64OEM-X60003-22P8-C1-450.5no routeIntake air temperature (IAT)—

Bill of materials

CategoryPart numberManufacturerDescriptionQtyUnit
connectorBMW-E46-MS43-CONNBMWE46 DME (MS43) harness connector1.000ea

ECU setup sheet

RoleEngine refEngine signalSensorECU pointECU functionECU classSetup flag
No configured channels.

Findings

Open (7)

SeverityCodeSubjectMessage
errorREQUIRED_UNMAPPEDOEM-X60003-43Required OEM function "Throttle motor drive 1 (H-bridge)" (hbridge_out) is not connected to the new ECU.
errorREQUIRED_UNMAPPEDOEM-X60003-44Required OEM function "Throttle motor drive 2 (H-bridge)" (hbridge_out) is not connected to the new ECU.
errorREQUIRED_UNMAPPEDOEM-X60004-13Required OEM function "Pedal position signal 2" (analog_in) is not connected to the new ECU.
warnNET_FAMILYOEM-X60003-5 ↔ P8-C1-29OEM-X60003-5 "Intake camshaft position" [trigger_in] is wired to P8-C1-29 "Left Driven Wheel" [digital_in]. Hall-type cam/speed signals can use a digital input if it handles the frequency; VR signals cannot.
infoNET_FAMILYOEM-X60003-41 ↔ P8-C1-53OEM-X60003-41 "VANOS exhaust solenoid" [low_side_out] is wired to P8-C1-53 "Injector 7" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoNET_FAMILYOEM-X60003-42 ↔ P8-C1-16OEM-X60003-42 "Evap purge valve" [low_side_out] is wired to P8-C1-16 "Injector 8" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoUNMAPPEDOEM13 optional OEM pins are not mapped: OEM-X60002-15 O2 sensor signal, bank 2 pre-cat; OEM-X60002-16 O2 sensor signal, bank 1 post-cat; OEM-X60002-18 O2 sensor signal, bank 2 post-cat; OEM-X60003-27 Engine oil temperature; OEM-X60003-29 Knock sensor, cylinders 1-3 (A); OEM-X60003-30 Knock sensor, cylinders 1-3 (B); OEM-X60003-31 Knock sensor, cylinders 4-6 (A); OEM-X60003-32 Knock sensor, cylinders 4-6 (B); OEM-X60003-45 Map-controlled thermostat; OEM-X60003-46 Idle speed control, close; OEM-X60003-47 Idle speed control, open; OEM-X60003-48 Knock sensor shield; OEM-X60003-49 DISA intake flap

Accepted (1)

CodeSubjectReasonBy
REQUIRED_UNMAPPEDOEM-X60001-7Battery-constant (memory) feed of the stock ECU: the new ECU has no such input, so it is not needed.mapping-proposal

Notes

Fit check: needs add-on. Resolve these before building: - No drive-by-wire; needs a cable-throttle conversion or an external DBW controller - Needs CAN (E46 K-bus/CAN); not documented for this ECU - Knock input count not found - This car has EWS 3.3 (rolling code) immobilizer; needs a delete/bypass Auto-mapped by auto_map() from the library pin data on 2026-10-11. Review every wire against both manuals before building. Open items: - OEM-X60003 43: Throttle motor drive 1 (H-bridge): no free hbridge on DTAFast P8 - OEM-X60003 44: Throttle motor drive 2 (H-bridge): no free hbridge on DTAFast P8 - OEM-X60004 13: Pedal position signal 2: no free tps/analog_0_5 on DTAFast P8 Not wired: - OEM-X60001 7: Battery constant (terminal 30): DTAFast P8 has no battery-constant input; not needed - OEM-X60003 29: Knock sensor, cylinders 1-3 (A): no free knock input on DTAFast P8 - OEM-X60003 30: Knock sensor, cylinders 1-3 (B): no free knock input on DTAFast P8 - OEM-X60003 31: Knock sensor, cylinders 4-6 (A): no free knock input on DTAFast P8 - OEM-X60003 32: Knock sensor, cylinders 4-6 (B): no free knock input on DTAFast P8 - OEM-X60003 48: Knock sensor shield: no shield pin on DTAFast P8 - OEM-X60003 46: Idle speed control, close: no free hbridge on DTAFast P8 - OEM-X60003 47: Idle speed control, open: no free hbridge on DTAFast P8 - OEM-X60003 45: Map-controlled thermostat: no free low_side/ls_hs/injector/hbridge on DTAFast P8 - OEM-X60003 49: DISA intake flap: no free low_side/ls_hs/injector/hbridge on DTAFast P8 - OEM-X60002 15: O2 sensor signal, bank 2 pre-cat: no free o2_narrowband/analog_0_5 on DTAFast P8 - OEM-X60002 16: O2 sensor signal, bank 1 post-cat: no free o2_narrowband/analog_0_5 on DTAFast P8 - OEM-X60002 18: O2 sensor signal, bank 2 post-cat: no free o2_narrowband/analog_0_5 on DTAFast P8 - OEM-X60003 27: Engine oil temperature: no free thermistor/analog_0_5 on DTAFast P8

Sources

ReliabilityKindTitleURLArchiveCapturedSHA-256
4vendor_docDTAFast P8Pro wiring schematichttps://dtafast.co.uk/pages/ecu-wiring-diagrams———
2community_copyms4x.net: Siemens MS43 Pinouthttps://www.ms4x.net/index.php?title=Siemens_MS43_Pinout———
2community_copyrusefi wiki: 2002 BMW 325 / 2004 BMW 330Ci E46 DME pinout (M54/MS43)https://github.com/rusefi/rusefi/wiki/2002-BMW-325-and-2004-BMW-330Ci-E46-DME-pinout———