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Pro motorsport, Hotrod, power boats

OBR Control Systems Inc is a world wide supplier of automotive electronics. We specialize in OEM engine controllers for prototype engine development and engine testing as well as for motorsports. Engine systems can be supplied for engines having up to 16 cylinders with direct injection, port injection or a combination of the two. Systems can be supplied for gasoline as well as for diesel engines. OBR products are used in the most demanding environments ensuring performance and reliability.

E5R Euro-5 for race engines having up to 4 cylinders with both direct fuel injection + port fuel injection


P/N# Model Crank and Cam Triggers Price in USD
E5R ECU for direct injection race engines VR and Hall effect sensors 2900

E5R Euro-5 for race engines having up to 4 cylinders with both direct fuel injection + port fuel injection

Dual fuel system, direct injection and port injection in one module.
Management system for direct injection engines with 3 or 4 cylinders
Drive by wire throttle control
Variable camshaft timing for inlet and exhaust camshafts
Wide band lambda sensor input with automatic closed loop fuel mapping
Paddle shift with closed loop control
Traction control
3 x CAN 2.0 ports for data import and export
Built-in high-speed 128 Mb data logger

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 data logger with high speed sampling rate (200hz)
  • Automatic fuel mapping
  • Fuel mass control with DI/PFI split
  • Up to 4 DI injections each cycle with individual angle and time delay
  • Closed-loop lambda control
  • Closed-loop boost control
  • Closed-loop traction control
  • Closed-loop paddle shift control
  • Closed-loop variable camshaft control (VCT, VVT, VANOS etc.)
  • Closed-loop direct injection fuel pump control (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)
  • Possible to connect up to 5 wide band lambda sensors
  • 2 selectable calibrations


  • 19 user-defined analog inputs (0-5v)
  • 19 user-defined digital inputs which can be assigned to sensors with SENT technology
  • 16 user defined CAN inputs (analog and digital switch)
  • Dual trigger inputs system with both (Hall/VR) for crank, cam and turbo speed sensors
  • 2 knock sensor inputs (4 cylinder individual or global knock retard)
  • Built-in wide band lambda controller (with self mapping fuel control)
  • Built-in barometric pressure sensor


  • 8 fuel injector drivers
    • 4 DI (direct injection)
    • 4 PFI (port injection)
  • 4 inductive and 4 logic ignition drivers
  • Boost control for solenoid valve and e-waste gate
  • 16 multi purpose PWM and relay outputs
  • 1 wide band lambda sensor heater
  • 2 full H-bridge outputs
    • Drive-by-wire throttle body control
    • Electronic waste gate control
    • Electronic EGR control
  • 5 independent 5V sensor power supply


  • Ethernet
  • 3 CAN 2.0B interfaces
  • Multiple pre-programmed and user defined CAN export and import
    • FIA RX datalogger
    • Bosch ABS data import
    • General data import and export
    • 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 paddle shift 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 (including spark advanced and RPM vs time)
  • Special version available with fully encrypted software
  • Programmable RPM and launch cut patterns
  • ASAP3 (for automated development work in the automotive industry)
  • Drag race features with time control
    • Electronic throttle body offset
    • Spark advance/retard offset
    • Boost target offset


  • Dimensions (very small and light)
    • Weight 825g (29 oz.)
    • 177 x 165 x 36mm  (7" x 6 1/2" x 1 1/2")
    • All aluminum 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


These parts are legal for sale and use on uncontrolled (Non-Emissions Controlled) vehicles and on off-road racing vehicles ONLY.

WARNING: It is against the law to install these parts on an emissions controlled vehicle

All OBR products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads/highways and may be subject to fines and/or criminal liability as per the Clean Air Act.

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.pdf ( pdf 0.06 MB )

Data Files

Description Downloads
Euro-5 motorsport firmware version 048
euro-5_version048.xip ( xip 0.28 MB )