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Last change 25.04.2024, 18:19:17

BMW S54 MSS70 PNPECU Wiki V5

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Contents

  1. PNPECU MaxxECU S54 MSS70 solution
  2. Adapter extra connector information
  3. Transmission compatibility
  4. S54B32 OEM Sensors Usage
  5. S54B32 OEM Actuator Usage
  6. CAN BUS Compatibility
  7. Options at ordering
  8. Race adapter pinout information

PNPECU MaxxECU S54 MSS70 solution




This page refers to version 5 PNPECU S54 MSS70 solution only. Make sure to check the adapter tag for your version.

25/7/2023 - Version 5 is latest.

PNPECU has developed the S54 solution to satisfy customer requests to allow the S54 engine to be operated fully.
The oil level sensor and alternator are additional features thanks to MaxxECU providing the hardware and software to communicate with these external hardware devices.
The EKPM2/3 is also controlled by the MaxxECU

Adapter extra connector information




See bottom of this page for the pinouts of these auxiliary connectors

• 18 pin Auxiliary connector part numbers
  • Connector - https://www.te.com/usa-en/product-1-962692-2.html
  • Terminals - https://www.te.com/usa-en/product-5-963716-1.html

X6000-1 and X6000-5 terminals for spare functions (12V, GROUND, CANBUS HUB)

X6001 IS THE BLACK CONNECTOR

X6005 IS THE WHITE CONNECTOR


  • Terminals - https://www.te.com/usa-en/product-964284-2.html


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.

For direct PNP communications with a stock BMW 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 transmissions to the emulation compatibility list.

100% compatible with all manual gearboxes!


S54B32 OEM Sensors Usage




• MAF is not used but the air temp sensor of the MAF is
• Post cat sensors are not used
• Knock sensors - knock for cylinders 3/4 are not used as only two inputs exist in the MaxxECU
• Brake light - available via canbus

• 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
• 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
• CAT Exhaust temp sensor



S54B32 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
• Fuel tank vent valve - available but not wired
• Secondary air pump - available but not wired
• E-BOX Fan - available but not wired
• Dynamic switch led - available but not wired



CAN BUS Compatibility




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 N54 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
• Stock coils - Adapter housing provides ignition drivers.

ECU Model
• Race - All EGT inputs are spare, 2 Analog inputs are spare, 1 Digital input is spare, 3 Low side outputs are spare, 0 High side outputs are spare, 0 Hbridge outputs are spare


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
• 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

Race adapter pinout information




Below is the pin functions of the S54 V5 adapter.


Race Connector 1 - 48pin
Pin number Function Information
A1 GPO 5 - BSD
A2 IGN 1
A3 IGN 2
A4 GPO 8 / Tacho output
B1 GPO 6 ENGINE FAN PWM
B2 IGN 3
B3 IGN 4
B4 GPO 1 AC COMPRESSOR RELAY
C1 GPO 7 - BSD
C2 IGN 5
C3 IGN 6
C4 GPO 2 Spare output 18/7
D1 WBO2 Heater Front output
D2 IGN 7 Spare output 5/0v - 18/14
D3 IGN 8 Spare output 5/0v - 18/15
D4 GPO 3 Spare output 18/8
E1 CAN High
E2 CAN Low
E3 GND Shield
E4 GPO 4 Spare output 18/9
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
H4 Home EXHAUST VANOS TRIGGER
J1 AIN 1 RADIATOR OUTLET TEMPERATURE
J2 AIN 2 EXHAUST TEMPERATURE
J3 AIN 3 TPS 2
J4 AIN 4 Spare input 18/10
K1 INJ 1
K2 INJ 2
K3 DIN/VR 1 INTAKE VANOS TRIGGER
K4 DIN/VR 2 CLUTCH 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




Race Connector 2 - 32pin
Pin number Function Information
A1 EGT 5+
A2 EGT 6+
A3 EGT 7+
A4 EGT 8+
B1 EGT 5-
B2 EGT 6-
B3 EGT 7-
B4 EGT 8-
C1 EGT 1+
C2 EGT 2+
C3 EGT 3+
C4 EGT 4+
D1 EGT 1-
D2 EGT 2-
D3 EGT 3-
D4 EGT 4-
E1 Knock GND
E2 Knock 1
E3 Knock 2
E4 AIN 6 PPS2
F1 AIN 7 STEERING WHEEL BUTTONS
F2 AIN 8 Spare input 18/11
F3 DIN/VR 4 VSS
F4 DIN/VR 5 Spare input 18/12
G1 GPO 15 INTAKE VANOS ADVANCE SOLENOID
G2 GPO 16 INTAKE VANOS RETARD SOLENOID
G3 AIN 5 PPS1
G4 Power GND
H1 GPO 14 EXHAUST VANOS RETARD SOLENOID
H2 GPO 11 DBW-
H3 GPO 13 EXHAUST VANOS ADVANCE SOLENOID
H4 GPO 12 DBW+



Auxiliary connector - 18pin
Pin number Function Information
1 12V SUPPLY
2 5V SUPPLY
3 ANALOG GROUND
4 POWER GROUND
5 CAN HIGH
6 CAN LOW
7 GPO 2
8 GPO 3
9 GPO 4
10 AIN 4
11 AIN 8
12 DIN 5
13 12V SUPPLY
14 IGN 7
15 IGN 8
16 5V SUPPLY
17 5V SUPPLY
18 ANALOG GROUND






Adapter ECU side connector X6000
Pin number Function Information
X6001-1 SWITCHED 12V USED
X6001-2 SWITCHED 12V USED
X6001-3 SWITCHED 12V USED
X6001-4 SWITCHED 12V SPARE FROM MAIN RELAY
X6001-5 SWITCHED 12V SPARE FROM MAIN RELAY
X6001-6 POWER GROUND USED
X6001-7 POWER GROUND USED
X6001-8 POWER GROUND USED
X6001-9 POWER GROUND SPARE
X6002-1 INJECTOR 1
X6002-2 INJECTOR 2
X6002-3 INJECTOR 3
X6002-4 INJECTOR 4
X6002-5 INJECTOR 5
X6002-6 INJECTOR 6
X6002-13 IGNITION 1
X6002-14 IGNITION 2
X6002-15 IGNITION 3
X6002-16 IGNITION 4
X6002-17 IGNITION 5
X6002-18 IGNITION 6
X6003-1 COOLANT TEMP SENSOR
X6003-2 AIR TEMP SENSOR
X6003-3 TPS1
X6003-4 TPS2
X6003-5 PPS1
X6003-6 PPS2
X6003-7 CRANK +
X6003-8 CRANK -
X6003-12 CAN High FROM ECU
X6003-13 CAN High Spare CANBUS connection
X6003-14 INTAKE VANOS
X6003-16 EXHAUST VANOS
X6003-18 RADIATOR OUTLET TEMP
X6003-19 WBO2 FRONT PIN 1
X6003-20 WBO2 FRONT PIN 2
X6003-21 WBO2 FRONT PIN 3
X6003-22 WBO2 FRONT PIN 5
X6003-23 WBO2 FRONT PIN 6
X6003-24 EOP SWITCH Available not wired
X6003-25 CAN Low FROM ECU
X6003-26 CAN Low Spare CANBUS connection
X6003-28 KNOCK 1 CYLINDERS 1-3
X6003-29 KNOCK 2 CYLINDERS 4-6
X6003-32 WBO2 REAR PIN 1 Available not wired
X6003-33 WBO2 REAR PIN 2 Available not wired
X6003-34 WBO2 REAR PIN 3 Available not wired
X6003-35 WBO2 REAR PIN 5 Available not wired
X6003-36 WBO2 REAR PIN 6 Available not wired
X6003-40 VSS
X6003-41 BRAKE SWITCH Available but not wired
X6003-42 CLUTCH SWITCH
X6003-43 KNOCK GROUND
X6003-44 STEERING WHEEL BUTTONS
X6003-45 BSD GPO
X6003-46 BSD DIN
X6003-48 CATALYTIC EXHAUST TEMPERATURE
X6003-52 DYNAMIC SWITCH Available not wired
X6004-1 INTAKE VANOS ADVANCE SOLENOID
X6004-2 INTAKE VANOS RETARD SOLENOID
X6004-5 EXHAUST VANOS ADVANCE SOLENOID
X6004-6 EXHAUST VANOS RETARD SOLENOID
X6004-10 ELECTRIC FAN PWM
X6004-11 DBW+
X6004-12 IAC OPEN
X6004-13 TACHO
X6004-21 DBW-
X6004-22 IAC CLOSE
X6004-24 EVAP Available not wired
X6004-26 AC COMRPRESSOR RELAY
X6004-27 5V SUPPLY FROM ECU
X6004-28 5V SUPPLY TO AUX 18/2
X6004-29 5V SUPPLY TO AUX 18/16
X6004-30 5V SUPPLY TO AUX 18/17
X6004-33 SECONDARY AIR PUMP Available not wired
X6004-35 E BOX FAN Available not wired
X6004-36 DYNAMIC SWITCH LED Available not wired
X6004-37 ANALOG GROUND ECU E3
X6004-38 ANALOG GROUND ECU H1
X6004-39 ANALOG GROUND TO AUX 18/3
X6004-40 ANALOG GROUND TO AUX 18/18
X6005-1 12V SWITCHED FROM MAIN RELAY
X6005-2 12V SWITCHED FROM MAIN RELAY
X6005-3 N/A
X6003-4 PWR GND
X6003-5 CAN HIGH Spare CANBUS connection
X6003-6 CAN HIGH Spare CANBUS connection
X6003-7 PWR GND
X6003-8 CAN LOW Spare CANBUS connection
X6003-9 CAN LOW Spare CANBUS connection



Last change 26.04.2024, 21:47:47




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