Tech Info

G450X

Tech info on the BMW G450X

Articles evaluating the fueling of a G450X using a PowerCommander V

August 2009: Comparing the A/F ratio, Power and Torque between the BMW stock canister and the LeoVince X3, both with stock and modified fuel maps.

February 2010: Comparing the A/F ratio, Power and Torque of a G450X fitted with a full Akrapovic systems with stock fueling and Optimized fueling. Finally comparing the results to those of the LeoVince X3 experiment in the article above.

Downloads

  • PowerCommanderV fuel map for G450X with LeoVinceX3 slip-on – click here to download [2.5kB .pvm file]
    • NOTE: in standard mode the bike already runs very lean with it’s stock map… hence you should NOT run the PowerCommander map with the bike in Standard mode – make sure it is in SPORT mode!
  • PowerCommanderV fuel map for G450X with FULL Acrapovic system – click here to download [2.5kB .pvm file]
    • NOTE: in standard mode the bike already runs very lean with it’s stock map… hence you should NOT run the PowerCommander map with the bike in Standard mode – make sure it is in SPORT mode!
  • BMW G450X Wiring diagram – click here to download [29.7kB .pdf file]
  • Article (Sep. 2009) in Enduro World on the tuning of the G450X with LeoVince X3 – click here to download [1.5MB .pdf file]
  • Article (Jan. 2010) in Enduro World comparing the tuned G450X (with LeoVince X3) to a stock G450X (with full Akro) – click here to download [1.4MB .pdf file]

Did you know

  • The KMS-K16 has a memory flag that is set the first time the ECU is switched from Standard Mode into Sport mode.
  • The ignition can be switched on by having the headlight switch in the High-beam position and pressing the high-beam flashing switch.

Know your G450X

Information for anyone wishing or needing to maintain their own BMW G450X. Use this to complement the Wiring Diagram.

1. Throttle position sensor (TPS)
2. Idle regulator position sensor
3. Idle Regulator
4. Power plug (Standard or Sport)
5. connection to fuel pump

6. Lambda sensor
7. Coolant temperature sensor
8. Fan / over-temperature switch

9. Air temperature sensor (15)
10. Manifold Absolute Pressure (MAP) sensor

11. Starter relay (with 30A fuse)
12. Connector from regulator to Battery
13. Connector between front and engine harnesses
14. Diagnostic connector

13. Connector between front and engine harnesses
15. Air temperature sensor (9)
16. Injector
17. Coil

18. Neutral switch
19. from Alternator

20. Fuses - for Fan (7.5A) and rest of front harness (10A)
21. Turn signal relay

23. Connector to Right side combo switch
24. Connector to Left side combo switch
25. Connector to turn signal switch

22. Diode module
26. Connector to instrument cluster