Indirect System (Flat Tire Monitor)
CAUTION: Do not initialize the system while snow chains are attached.
NOTE: Each time a tire inflation pressure has been corrected or a wheel or tire has been changed, reset the system.
Initialization:
The initialization is completed during driving, which can be interrupted at any time. When driving resumes, the initialization is continued automatically.
Checking FTM Status:
Direct System (Tire Pressure Monitor)
NOTE: Each time a tire inflation pressure has been corrected or a wheel or tire has been changed, reset the system.
TPMS Status indicator on the Control Display:
The color of the tires represents the status of the tires and the system. TPM takes into account that tire pressures change while the vehicle is being driven. The tire pressures do not need to be corrected unless the TPM instructs you to do so by means of color indicators.
Reset Procedure:
After driving a few minutes, the set inflation pressures in the tires are accepted as the target values to be monitored. The system reset is completed during your drive, and can be interrupted at any time. When driving resumes, the reset is continued automatically. On the Control Display, the tires are shown in green and "TPM active" is displayed again.
IMPORTANT: If a flat tire is detected while the system is resetting and determining the inflation pressures, all tires on the Control Display are displayed in yellow. The message "Low tire!" is shown.
System Reset Failure:
BMW X3 Service & Repair Manual > Electronic components: Removing and installing/replacing emf actuator
Necessary preliminary tasks:
Release parking brake.
Switch off ignition.
IMPORTANT:
Switch off ignition at least 30 s before disconnecting the plug connection!
After installation, observe the following: switch on ignition and, using parking brake operating element, open
parking ...