2008 BMW 1 Series Owner's Manual - Page 85
2008 BMW 1 Series Manual
Page 85 highlights
assistant will no longer hold the car in place after approx. 2 seconds and the car will start to roll backwards.< iDrive, for operating principle refer to page 16. 1. Press the button. This opens the start menu. Flat Tire Monitor FTM* The Flat Tire Monitor detects pressure loss in a tire by comparing the rotating speeds of the individual tires while moving. In the event of pressure loss, the rolling circumference changes and, thus, the rotating speed of the affected wheel. This change is detected and is reported as a flat tire. Controls 2. Press the controller to open the menu. 3. Select "Settings" and press the controller. 4. Select "Vehicle / Tires" and press the controller. 5. If necessary, move the highlight marker to the uppermost field. Turn the controller until "FTM" is selected and press the controller. 6. Start the engine, but do not start driving. 7. Select "Reset" and press the controller. 8. Select "Yes" and press the controller. 83 Online Edition for Part no. 01 41 0 014 691 - © 11/07 BMW AG The concept Functional requirement In order to assure the reliable reporting of a flat tire, the system must be initialized for the correct tire inflation pressure. The system must be reinitialized each time a tire inflation pressure has been corrected or a wheel or tire has been changed.< The Flat Tire Monitor is unable to warn the driver of sudden, severe tire damage caused by external factors, nor can it identify the gradual loss of pressure that will inevitably occur in all four tires over a lengthy period of time.< In the following situations, the system could be delayed or malfunction: > System has not been initialized > Driving on snowy or slippery road surface > Performance-oriented style of driving: slip in the drive wheels, high lateral acceleration > Snow chains are attached Initializing the system The initialization is completed during driving, which can be interrupted at any time. When driving resumes, the initialization is continued automatically. Do not initialize the system while snow chains are attached.< Reference 9. Start to drive. Initialization is completed while the car is on the move, without any feedback. Mobility Communications Entertainment System limitations Navigation Driving tips At a glance