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. Read the article here.
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. Read the article here.
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