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Last change 25.04.2024, 18:19:17

BMW S54 PNPECU Wiki Pro V2

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Contents

  1. PNPECU MaxxECU S54B32 Pro solution
  2. Transmission compatibility
  3. S54B32 OEM Sensors Usage
  4. S50B32 OEM Actuator Usage
  5. CAN BUS Compatibility
  6. Options at ordering
  7. Pro adapter pinout information

PNPECU MaxxECU S54B32 Pro solution



This page refers to version 2 PNPECU S54B32 solution only. Make sure to check the adapter tag for your version.

25/04/2023 - Version 5 is latest.

PNPECU has developed the S54B32 solution to satisfy customer requests to allow the S54B32 engine to be fully controlled

Transmission compatibility



This is a complicated subject as at the time of writing there are solutions for external control of DCT, 6HP and 8HP transmissions out of BMWs, at the same time MaxxECU provides it´s standardized can bus output which multiple transmission controllers are able to make use of for just about any transmission out there.

There is no direct support for the original 6HP BMW TCU and is very unlikely it will ever exist.

For direct PNP communications with a stock BMW DCT transmission with a BMW TCU refer to this page - https://www.maxxecu.com/webhelp/advanced-bmw_dct.html

what this means is that the BMW TCU believes it´s listening and talking to an OEM BMW DME.
The MaxxECU is not directly controlling the transmission but sending and receiving signals that emulate the BMW DME.

MaxxECU is working on adding other BMW newer transmissions to the emulation compatibility list.

100% compatible with all manual gearboxes!

S54B32 OEM Sensors Usage



• MAF is not used
• Pre cat lambda sensors are not used
• Post cat sensors are not used
• Air temp sensor can be used if the MAF is installed
• Knock sensors - knock for cylinders 3/4 are not used as only two inputs exist in the MaxxECU


• Camshaft signals - used as OEM
• Coolant temperature - used as OEM
• TPS sensors - used as OEM
• Pedal position sensors
• Radiator output temp sensor - used as OEM
• Brake light - used as OEM
• Clutch switch - used as OEM
• Steering wheel switches - used as OEM
• Dynamic switch - used as OEM
• Vehicle Speed Sensor Rear Right - used for vehicle speed
• AC signals from vehicle - used as OEM
• Oil level switch - used as OEM
• CAT Exhaust temp sensor - used as OEM

S50B32 OEM Actuator Usage



• Ignition coil wiring - see options below for more details
• Tachometer signal
• Electric fan
• Fuel pump relay
• Idle control valve
• Vanos advance and retard solenoids for both cams
• DBW Motor
• Dynamic Switch LED
• Fuel tank vent valve


CAN BUS Compatibility



The E46 the S54 originally came in did communicate with the rest of the vehicle via CAN BUS. Thanks to the MaxxECU it is possible to fit the engine into other BMWs also that require information via CAN BUS

5/11/2022 -
• E46 - compatible with BMWs of similar vintage
• E39 - compatible with BMWs of similar vintage
• E9x - compatible with BMWs of similar vintage

MaxxECU provides OEM BMW CAN BUS output for the above BMW vehicles. It also supports a vast array of other cars which a S54B32 can be fitted to thanks to that. Refer to this webpage for latest options and relevant information - https://maxxecu.com/webhelp/can-oem.html

Options at ordering



Not everyone is going to need or want the same thing with their ECU conversion.

Ignition outputs
• Smart coils - Customer will install logic coils in place of original coil wiring
• IGBT Output box - Stock coils can be retained
• VAG R8 coils and connectors - PNPECU supplied R8 coils, customer will install the coils into the original coil wiring or add their own wiring
• VAG R8 coils and connectors - PNPECU supplied R8 coils, coil adapters also for PNP fitment

MaxxECU DCT Adapter loom
This is a selectable option so that the webstore doesn´t incorrectly calculate shipping cost

EGT Sensor
This is a selectable option so that the webstore doesn´t incorrectly calculate shipping cost

• Single is for when you are planning to monitor pre turbine inlet temperature
• Dual is for when you are planning to monitor pre turbine inlet temperature on a twin setup or each side of the engine
• Six is for when you are planning to monitor individual cylinder temperatures

Injector
This is a selectable option so that the webstore doesn´t incorrectly calculate shipping cost


Pro adapter pinout information



Below are the pin functions of the S54B32 V2 adapter.


Race Connector 1 - 48pin
Pin number Function Information
A1 GPO 5 FUEL PUMP
A2 IGN 1
A3 IGN 2
A4 GPO 8 TACHO
B1 GPO 6 ENGINE FAN PWM
B2 IGN 3
B3 IGN 4
B4 GPO 1 AC CLUTCH RELAY
C1 GPO 7
C2 IGN 5
C3 IGN 6
C4 GPO 2
D1 WBO2 Heater
D2 IGN 7
D3 IGN 8
D4 GPO 3 FUEL TANK VENT VALVE
E1 CAN High
E2 CAN Low
E3 GND Shield
E4 GPO 4 DYNAMIC SWITCH LED
F1 Coolant temp input
F2 Air temp input
F3 WBO2 VREF
F4 WBO2 VS
G1 5V Supply output
G2 TPS
G3 WBO2 IP
G4 WBO2 RCAL
H1 Sensor GND
H2 Trigger GND
H3 Trigger CRANK SENSOR SIGNAL
H4 Home EXHAUST VANOS TRIGGER
J1 AIN 1 RADIATOR OUT TEMP SIGNAL
J2 AIN 2 DYNAMIC SWITCH
J3 AIN 3 TPS2
J4 AIN 4 OEM MAP
K1 INJ 1
K2 INJ 2
K3 DIN/VR 1 VANOS INTAKE CAM POSITION
K4 DIN/VR 2 BRAKE SWITCH
L1 INJ 8 IAC CLOSE
L2 INJ 7 IAC OPEN
L3 INJ 6
L4 Power GND
M1 INJ 3
M2 INJ 4
M3 INJ 5
M4 12V


Pro Connector 2 - 32pin Grey
Pin number Function Information
A1 EGT 1+
A2 EGT 2+
A3 EGT 3+
A4 EGT 4+
B1 EGT 1-
B2 EGT 2-
B3 EGT 3-
B4 EGT 4-
C1 EGT 5+
C2 EGT 6+
C3 EGT 7+
C4 EGT 8+
D1 EGT 5-
D2 EGT 6-
D3 EGT 7-
D4 EGT 8-
E1 EGT 9+
E2 EGT 10+
E3 EGT 11+
E4 EGT 12+
F1 EGT 9-
F2 EGT 10-
F3 EGT 11-
F4 EGT 12-
G1
G2
G3
G4
H1 Power GND
H2 Power GND
H3 Power GND
H4
PRO Connector 3 - 48pin Brown
Pin number Function Information
A1 DIN/VR 4 VSS
A2 DIN/VR 5
A3 DIN 6 OIL LEVEL
A4 DIN 7
B1 WBO2 2 RCAL
B2 WBO2 2 IP
B3 WBO2 2 VS
B4 WBO2 2 COM
C1 WBO2 2 SHIELD
C2 +5V SENSOR SUPPLY 2
C3 AIN 5 PPS1
C4 GPO 19
D1 AIN 6 PPS2
D2 AIN 7 STEERING WHEEL SWITCHES
D3 AIN 8
D4 GPO 20
E1 GPO 10 WBO HEATER
E2 AIN 9
E3 AIN 10
E4 GPO 21
F1 INJ 15
F2 AIN 11
F3 AIN 12
F4 GPO 22
G1 INJ 14
G2 IGN 11
G3 IGN 9
G4 GPO 15 INT VANOS ADVANCE
H1 INJ 13
H2 IGN 12
H3 IGN 10
H4 GPO 16 INTAKE VANOS RETARD
J1 INJ 16
J2 ANA GND
J3 ANA GND
J4 GPO 17 EXHAUST VANOS ADVANCE
K1 INJ 10
K2 INJ 9
K3 KEY IN 12V KL15
K4 GPO 18 EXHAUST VANOS RETARD
L1 INJ 11
L2 GPO 12 DBW+
L3 GPO 11 DBW-
L4 Power GND
M1 INJ 12
M2 GPO 13
M3 GPO 14
M4 12V ECU IN



Pro Connector 4 - 32pin Black
Pin number Function Information
A1 CAN 2 H
A2 CAN 2 L
A3 0-5V OUT 1
A4 0-5V OUT 2
B1 AIN 18
B2 AIN 17
B3 AIN 16
B4 AIN 15
C1 AIN 14 BMW S54 PNPECU Wiki Pro V2
C2 AIN 13
C3 AIN 19
C4 AIN 20
D1 AIN 21 AIR TEMP SPARE
D2 AIN 22 EXHAUST GAS OEM
D3 DIN 8 CLUTCH SWITCH
D4 DIN 8
E1 DIN 10
E2 DIN 11
E3 +5V SENSOR SUPPLY 3
E4 5-10V SENSOR SUPPLY
F1 GPO 23-30 FLYBACK
F2 KNOCK 1
F3 KNOCK 2
F4 KNOCK GND
G1 GPO 23
G2 GPO 24
G3 GPO 25 MAIN RELAY 85
G4 GPO 26
H1 GPO 27
H2 GPO 28
H3 GPO 29
H4 GPO 30




AIR TEMP CONNECTOR EXTENSION - 2pin
Pin number Function Information
1 AIR TEMP SIGNAL
2 ANALOG GROUND



Last change 23.04.2024, 20:35:18




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