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Engine management systems

OBR control systems is an award winning world leader in the supply of motorsport electronics. Specializing in engine, power and communication management systems. Our products are used in the world's most demanding environments ensuring performance and reliability.

Euro 5

Euro 5

Dual fuel system | Direct injection and Port flow injectors in one module.

Management system for up to 4 cylinders

Dual drive by wire with individual control

2 x Individual variable camshaft timing

Paddle shift with closed loop control

3 x CAN BUS Universes

Built-in high-speed datalogger

Automatic closed loop fuel mapping

Traction control

ASAP3 Ethernet and serial control for automatic Dyno calibration

Specialized software for automotive development

System overview

  • PowerPC microprocessor
  • 4 cylinder fully sequential fuel injection
  • Dual-stage fuel injection for stand off and Direct fuel injection
  • Ignition output handles both logic and inductive, regular and COP coils.
  • Dual drive by wire throttle PID control
  • On-board datalogger with high speed sampling rate (200hz)
  • Automatic fuel mapping
  • Fuel mass control with DI/PFI split
  • 3 DI injections pr. stroke with individual angle and time delay
  • Closed-loop lambda control
  • Closed-loop boost control
  • Closed-loop traction control
  • Closed-loop paddleshift control
  • Closed-loop variable camshaft control (VCT, VVT, VANOS etc.)
  • Closed-loop direct injection fuel pump Bosch and Hitachi 
  • Closed-loop water pump control
  • Closed-loop pit lane speed control
  • Closed-loop idle control (ETB, stepper motor, ISC valve and ignition)
  • 5 selectable maps (all features in the ECU can be switch while driving)


  • 19 user-defined analog inputs (0-5v)
  • 19 user-defined digital inputs
    • Digital inputs can be assigned to SENT technology sensors 
  • 16 user defined CAN inputs (analog and digital switch)
  • Dual trigger inputs system with both (Hall/VR) for crank and cam sensors
    • User-defined (Crank, Cam, wheel-speed and turbocharger speed)
  • 2 knock sensors (4 cylinder individual knock retard)
  • 1 built-in lambda controller (individual lambda control)
  • 1 built-in barometric pressure sensor


  • 8 fuel injector drivers
    • 4 DI (Direct injection)
    • 4 PFI (Port flow injection
  • 4 inductive and logic ignition drivers
  • 13 multipurpose PWM and switch outputs
  • 1 lambda sensor heater
  • 3 electronic throttle body control (full H-bridge)
    • Electronic throttle-body control
    • Electronic wastegate control
    • Electronic EGR control
  • 4 independent 5.0v sensor power supply


  • Ethernet
  • 3 CAN 2.0B interfaces
  • Multiple pre-programmed and user defined CAN export and import
    • FIA RX datalogger
    • Bosch ABS
    • Marelli dashboard protocol
    • 2D dash
    • AIM dash
    • Stack dash
    • UDA91
    • VW Dash protocol (500Kbit)
  • 16 CAN identifiers available for export
  • 4 CAN identifiers available for import

Special features

  • Dual electronic waste gate control
  • 5 engine maps (map/calibration switching while running)
  • 1 lambda sensors for individual closed loop PID cylinder trim
  • Special engine trigger patterns including several for motorcycle engines
  • Control strategy for paddleshift and air compressor
  • Control strategy for sequential closed loop gear change
  • Gear depended traction control with target slip maps and PID control
  • Pit lane, launch and external adjustable manual limiter
  • Programmable firing order
  • Comprehensive CAN features
  • Launch control (With advanced rpm vs time curved)
  • Special version available with fully encrypted software
  • Programmable RPM and launch cut patterns
  • ASAP3 (For automated development work in the automotive industry)
  • Dragrace features with time control
    • Electronic throttle body offset
    • Spark advance/retard offset
    • Boost target offset


  • Dimensions (very small and light)
    • Weight 825g (15 oz.)
    • 177 x 165 x 36mm  (7" x 6 1/2" x 1 1/2")
    • All aluminium and high-end vibration stable SMD PCB
  • 3 automotive Molex connectors with high pin density (128 in total)

Conditions for usage

  • Temperature range -40 to 125 Celsius (-40 to 257 Fahrenheit)
  • Power supply 7-16v
  • Splash-proof

Product information

Description Downloads
OBR Euro 5 Product information
OBR Euro 5.pdf ( pdf 8.17 MB )


Description Downloads
Euro 5 Pinout PDF
Euro 5 Pinout in .PDF format
Euro 5 pinout.pdf ( pdf 0.06 MB )