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BMW 5 SERIES E34 525i 2.5L L6 24V 141kW/189HP Motronic

ECU BOSCH MOTRONIC · 192 CV (141 kW) · 2500 cc · Benzina aspirato

ECU Database › BMW › BMW 5 SERIES E34 525i 2.5L L6 24V 141kW/189HP Motronic

Find the firmware identifiers (hardware, software and update numbers), available tuning options and how to get the original or remapped file.

✓ Tuning via file (flash) 14 firmware versions

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Vehicle data

BrandBMW
Model5 SERIES E34
Engine525i 2.5L L6 24V 141kW/189HP Motronic
Stock power192 CV / 141 kW
Displacement2500 cc
FuelBenzina aspirato
Vehicle typeAuto

ECU

ManufacturerBOSCH
ModelMOTRONIC
Memory / EPROM27C256 DIL28/PLCC32 256Kbit - Eprom 32K x 8

Available tuning operations / options:

  • Advance at idle speed
  • Advance at part load
  • Advance correction
  • Advance full load
  • Injection at idle speed
  • Injection at part load
  • Injection correction
  • Injection at full throttle

Firmware identifiers (14)

Hardware No.Software No. (chip)VersionUpdate softwareECU
0.261.200.1531.267.355.408 1.00.006— BOSCH MOTRONIC
0.261.200.4051.267.356.474 1.00.008— BOSCH MOTRONIC
0.261.200.4001.267.356.300 1.00.006— BOSCH MOTRONIC 3.1
0.261.200.4001.267.356.300 1.00.005— BOSCH MOTRONIC 3.1
0.261.200.4021.267.357.063 1.00.006— BOSCH MOTRONIC M 3.0
0.261.200.4021.267.357.061 1.00.005— BOSCH MOTRONIC M 3.0
0.261.200.4131.267.358.715 1.00.006— BOSCH MOTRONIC M 3.0
02612004131267357609 1.00.007— BOSCH MOTRONIC M 3.0
0.261.200.4051.267.356.548 1.00.005— BOSCH MOTRONIC M 3.1
02612004031267356282 1.00.006— BOSCH MOTRONIC M 3.1
0.261.200.1731.267.355.794 1.00.010— BOSCH MOTRONIC M1.3
02612001731267355705 1.00.005— BOSCH MOTRONIC M1.3
02612001731267355509 1.00.007— BOSCH MOTRONIC M1.3
02612004131267357623 1.00.006— BOSCH VANOS

ECU notes

Original EPROM 27C512 DIL 28 pins
Original EPROM 87C257 DIL 28 pins TO work in real time with the emulator you need CNVLATCH adapters.
Original EPROM 27C256 DIL 28 pins. Original EPROM 87C257 DIL 28 pins
Original EPROM 27C256 DIL 28 pins.

Get the file for this vehicle

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Tools to read and write this ECU

Flex Programmatore per rimappatura centraline e cambi automatici Flex Programmatore per rimappatura centraline e cambi automatici ECU + auto gearbox € 1.000 Buy The Genius The Genius OBD + Bench € 2.500 Buy

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318i 1.8L L4 8V 85kW/114HP Motronic M1.3 3 SERIES E36
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535i 3.5L L6 12V 155kW/208HP Motronic M1.3 3 SERIES E36
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520i 2.0L L6 24V 110kW/148HP Motronic M3.1 5 SERIES E34
520i 2.0L L6 24V 110kW/148HP MS40 M3 SERIES E30
2.3L L4 16V 143kW/192HP Motronic M4.3 M3 SERIES E36
3.0L L6 24V 210kW/282HP Motronic

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