BMW S50B30 PNPECU Wiki V4
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PNPECU MaxxECU S50B30 EURO solution
This page refers to version 4 PNPECU S50B30 EURO solution only. Make sure to check the adapter tag for your version.
18/1/2023 - Version 4 is latest.
PNPECU has developed the S50B30 solution to satisfy customer requests to allow the S50B30 engine to be fully controlled, the PNP kit now controls the vanos directly while in the OEM manner it was done through the VNC box which is no longer required.
Adapter extra connector information
• 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
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!
S50B30 EURO OEM Sensors Usage
• MAF is not used
• Pre cat lambda sensors are not used
• Post cat sensors are not used
• Air temp sensor is not used - new fast sensor is supplied
• 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 sensor - used as OEM
• Vehicle Speed Sensor Rear Right - used for vehicle speed
• AC signals from vehicle - used as OEM
S50B30 EURO OEM Actuator Usage
• Ignition coil wiring
• Tachometer signal
• Electric fan
• Fuel pump relay
• Idle control valve
• Vanos advance and retard solenoids
• Check engine indicator
• Fuel consumption output
CAN BUS Compatibility
The E36 the S50B30 originally came in did not communicate with the rest of the vehicle via CAN BUS. However, thanks to the MaxxECU it is possible to fit the engine into other BMWs 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 S50B30 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
• Stock - the ignition driver box is setup to be used with stock coils
• Smart - the ignition driver box is setup to be used with smart coils like R8 coils
• VAG R8 coils and connectors - PNPECU supplied R8 coils, customer will install the coils into the original coil wiring or add their own
Ignition box information
ECU Model
• Race - All EGT inputs are spare, 7 Analog inputs are spare, 1 Digital input is spare, 3 Low side outputs are spare, 1 High side output is spare, 2 H-bridges are available, CANBUS is 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 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
Race adapter pinout information
Below is the pin functions of the S50B30 EURO V4 adapter.
Race Connector 1 - 48pin
Pin number |
Function |
Information |
A1 |
GPO 5 |
IAC CLOSE |
A2 |
IGN 1 |
|
A3 |
IGN 2 |
|
A4 |
GPO 8 / Tacho output |
|
B1 |
GPO 6 |
CHECK ENGINE LIGHT |
B2 |
IGN 3 |
|
B3 |
IGN 4 |
|
B4 |
GPO 1 |
FUEL PUMP RELAY |
C1 |
GPO 7 |
AUXILIARY FAN |
C2 |
IGN 5 |
|
C3 |
IGN 6 |
|
C4 |
GPO 2 |
Spare output |
D1 |
WBO2 Heater |
|
D2 |
IGN 7 |
Spare output from Ignition box Pin 12/7 |
D3 |
IGN 8 |
Spare output from Ignition box Pin 12/8 |
D4 |
GPO 3 |
IAC OPEN |
E1 |
CAN High |
Spare |
E2 |
CAN Low |
Spare |
E3 |
GND Shield |
|
E4 |
GPO 4 |
AC CLUTCH RELAY |
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 |
|
J1 |
AIN 1 |
Spare input |
J2 |
AIN 2 |
Spare input |
J3 |
AIN 3 |
Spare input |
J4 |
AIN 4 |
Spare input |
K1 |
INJ 1 |
|
K2 |
INJ 2 |
|
K3 |
DIN/VR 1 |
VANOS INTAKE CAM POSITION |
K4 |
DIN/VR 2 |
VSS |
L1 |
INJ 8 |
VANOS ADVANCE SOLENOID |
L2 |
INJ 7 |
VANOS RETARD SOLENOID |
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 |
Spare input |
F1 |
AIN 7 |
Spare input |
F2 |
AIN 8 |
AC REQUEST |
F3 |
DIN/VR 4 |
Spare input |
F4 |
DIN/VR 5 |
AC PRESSURE SWITCH |
G1 |
GPO 15 |
FUEL CONSUMPTION OUTPUT |
G2 |
GPO 16 |
Spare output |
G3 |
AIN 5 |
Spare input |
G4 |
Power GND |
|
H1 |
GPO 14 |
Spare output |
H2 |
GPO 11 |
Spare output |
H3 |
GPO 13 |
Spare output |
H4 |
GPO 12 |
Spare output |
Auxiliary connector - 14pin without ignition Box
Pin number |
Function |
Information |
1 |
12V SUPPLY |
|
2 |
5V SUPPLY |
|
3 |
ANALOG GROUND |
|
4 |
POWER GROUND |
|
5 |
CAN HIGH |
|
6 |
CAN LOW |
|
7 |
ANALOG IN 1 |
|
8 |
ANALOG IN 2 |
|
9 |
ANALOG IN 3 |
|
10 |
GPO 2 |
|
11 |
ANALOG IN 4 |
|
12 |
DIGITAL IN 4 |
|
13 |
GPO 11 |
H BRIDGE OUTPUT MOTOR- |
14 |
GPO 12 |
H BRIDGE OUTPUT MOTOR+ |
15 |
GPO 13 |
|
16 |
GPO 14 |
|
17 |
AIN 5 |
|
18 |
AIN 6 |
|
AIR TEMP CONNECTOR EXTENSION - 2pin
Pin number |
Function |
Information |
1 |
AIR TEMP SIGNAL |
|
2 |
ANALOG GROUND |
|
Last change 08.04.2024, 08:52:48