The concept
The system recommends the most fuel efficient gear for the current driving situation.
Depending on the vehicle's features and country version of the vehicle, the gear shift indicator is active in the manual mode of the Steptronic transmission and with manual transmission.
Suggestions to shift gear up or down are displayed in the instrument cluster.
On vehicles without a gear shift indicator, the engaged gear is displayed.
Steptronic transmission: displays
Fuel efficient gear is set.
Shift into fuel efficient gear.
BMW X3 Service & Repair Manual > Engine wiring loom: Removing and installing/replacing engine sensor system wiring harness module 1 (N20, N26)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DISCHARGE (ESD PROTECTION) .
Necessary preliminary tasks:
Read out the fault memory of the DME control unit.
Switch off ignition.
Remove INTAKE PLENUM .
Overview, engine sensor system wiring harness modu ...