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Last change 25.04.2024, 18:19:17

BMW BCS LPC8 M54 MS43 PNP WIKI V4

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Contents

  1. PNPECU BCS LPC8 M54 MS43 solution
  2. Adapter extra connector information
  3. M54 OEM Sensors Usage
  4. M54 OEM Actuator Usage
  5. CAN BUS Compatibility
  6. Options at ordering
  7. PNPECU BCS LPC8 GEN2 Adapter pinout

PNPECU BCS LPC8 M54 MS43 solution



This page refers to version 4 PNPECU M54 solution only. Make sure to check the adapter tag for your version.

16/12/2022 - Version 4 is latest.

PNPECU has developed the M54 solution to satisfy customer requests to allow the M54 engine to be fully controlled


Adapter extra connector information



• 14 Pin Auxiliary connector part numbers
  • Connector - https://www.te.com/usa-en/product-936126-1.html
  • Terminals - https://www.te.com/usa-en/product-5-963716-1.html


M54 OEM Sensors Usage



• Pre CAT Lambda sensors are not used

• MAF is monitored and can be used
• Coolant temperature - used as OEM
• Air temp sensor - used as OEM
• TPS sensors - used as OEM
• Pedal position sensors - used as OEM
• Camshaft sensors - used as OEM
• Engine oil temp - used as OEM
• Clutch pedal switch - used as OEM
• Radiator output temp - used as OEM
• Brake pedal - used as OEM
• Vehicle Speed Sensor Rear Right - used for vehicle speed
• AC signals from vehicle - used as OEM
• Knock sensors - used as OEM
• Post CAT Lambda sensors are monitored and can be used


M54 OEM Actuator Usage



• Ignition coil wiring - Ignition driver allows jumper change to logic signals
• Tachometer signal
• Fuel pump relay
• Idle control valve
• Vanos control both camshafts
• Electric thermostat
• Post CAT Lambda heaters
• Drive by wire
• AC Compressor relay
• DISA Valve
• Main relay
• Secondary air valve
• Secondary air pump relay


CAN BUS Compatibility



The E46/E39/E38 the M54 originally came in communicated with the rest of the vehicle via CAN BUS. BCS LPC8 supports this CANBUS

16/12/2022 -
• E36/7 - compatible with BMWs of similar vintage
• E46 - compatible with BMWs of similar vintage
• E39 - compatible with BMWs of similar vintage
• E38 - compatible with BMWs of similar vintage
• E85 - compatible with BMWs of similar vintage


Additionally custom CANBUS is possible on the powertrain bus or the spare secondary CANBUS


Options at ordering



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

Ignition outputs
• Stock coils - jumpers in the ignition driver set to IGBT
• Smart coils - jumper change in the ignition driver to TTL and customer will install their choice of ignition coils using stock BMW coil wiring
Ignition box information

ECU Model
• LPC8 GEN2 DUAL WIDEBAND: 5 Analog inputs are spare, 1 Digital input is spare, 2 Low side outputs are spare, CAN2 is spare

Injectors
This is a selectable option so that the webstore doesn´t incorrectly calculate shipping cost when customer wants bigger injectors


PNPECU BCS LPC8 GEN2 Adapter pinout



LPC8 Connector A - 24PIN
Pin number Function Information
1 5V SUPPLY
2 ANALOG 0 PPS2 SIGNAL
3 ANALOG 1 PPS1 SIGNAL
4 POWER GROUND
5 ANALOG 4 BANK 1 POST CAT SIGNAL
6 ANALOG 5 BANK 2 POST CAT SIGNAL
7 CAN1 H OEM PT-BUS
8 CAN1 L OEM PT-BUS
9 OUTPUT 1 TACHO
10 OUTPUT 2 Spare low side output
11 POWER GROUND
12 POWER GROUND
13 DIGITAL 1 EXHAUST CAM SIGNAL
14 ANALOG 2 ENGINE COOLANT TEMP
15 ANALOG 3 AIR TEMP SIGNAL
16 ANALOG GROUND CRANK GROUND
17 CAMSYNC INTAKE CAMSHAFT SIGNAL
18 CRANK SYNC CRANK SHAFT SIGNAL
19 DIGITAL 5 Spare input
20 ANALOG GROUND
21 OUTPUT 4 Spare low side output
22 OUTPUT 3 IDLE VALVE OPEN
23 DIGITAL 2 BRAKE PEDAL
24 12V



LPC8 Connector B - 12PIN
Pin number Function Information
1 OUTPUT 5 IDLE VALVE CLOSE
2 OUTPUT 6 ELECTRIC THERMOSTAT
3 IGNITION 5
4 IGNITION 6
5 IGNITION 7
6 IGNITION 8
7 OUTPUT 7 BANK 1 POST CAT HEATER
8 OUTPUT 8 BANK 2 POST CAT HEATER
9 IGNITION 1
10 IGNITION 2
11 IGNITION 3
12 IGNITION 4



LPC8 Connector C - 16PIN
Pin number Function Information
1 KNOCK 1
2 KNOCK 2
3 LSU1 4.9 PIN 6
4 LSU1 4.9 PIN 2
5 ANALOG 10 RADIATOR OUT TEMP SIGNAL
6 ANALOG 8 TPS1 SIGNAL
7 ANALOG 12 MAF SIGNAL
8 ANALOG GROUND
9 DIGITAL 4 VSS
10 LSU 4.9 PIN 1
11 LSU 4.9 PIN 5
12 DIGITAL 3 CLUTCH PEDAL SWITCH
13 ANALOG 11 ENGINE OIL TEMP
14 ANALOG 9 TPS2
15 ANALOG 18 Spare input
16 5V SUPPLY



LPC8 Connector D - 14PIN
Pin number Function Information
1 H-BRIDGE+ DRIVE BY WIRE+
2 INJECTOR 1
3 INJECTOR 2
4 INJECTOR 3
5 INJECTOR 4
6 LSU1 4.9 PIN 3
7 POWER GROUND
8 H-BRIDGE- DRIVE BY WIRE-
9 INJECTOR 5
10 INJECTOR 6
11 INJECTOR 7
12 INJECTOR 8
13 H-BRIDGE 12V IN
14 POWER GROUND



LPC8 Connector E - 10PIN
Pin number Function Information
1 LSU2 4.9 PIN 2
2 LSU2 4.9 PIN 6
3 LSU2 4.9 PIN 1
4 LSU2 4.9 PIN 5
5 LSU2 4.9 PIN 3
6 ANALOG 19 Spare input
7 ANALOG 20 Spare input
8 ANALOG 21 Spare input
9 ANALOG 22 Spare input
10 ANALOG 23 STEERING WHEEL CRUISE CONTROL BUTTONS



LPC8 Connector F - 8PIN
Pin number Function Information
1 OUTPUT 9 FAN PWM
2 OUTPUT 10 FUEL PUMP RELAY
3 IGNITION 12 KL15
4 MAIN RELAY CTRL
5 OUTPUT 11 SECONDARY AIR VALVE
6 OUTPUT 12 SECONDARY AIR PUMP VALVE
7 CAN2 H
8 CAN2 L



AUXILIARY CONNECTOR - 14PIN
Pin number Function Information
1 12V
2 5V
3 ANALOG GROUND
4 POWER GROUND
5 CAN 2 HIGH
6 CAN 2 LOW
7 OUTPUT 2 5A LOW SIDE OUTPUT
8 OUTPUT 4 5A LOW SIDE OUTPUT
9 DIGITAL 5 FREQUENCY OR SWITCH INPUT
10 ANALOG 18 51kΩ 5V pull-up
11 ANALOG 19 51kΩ 5V pull-up
12 ANALOG 20 51kΩ 5V pull-up
13 ANALOG 21 51kΩ 5V pull-up
14 ANALOG 22 51kΩ 5V pull-up



Last change 08.04.2024, 08:52:31




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