Mike's Workshop Manuals: Service manuals for every vehicle
Home >> BMW >> 2012 >> 740Li >> Repair and Diagnosis >> Steering >> Power Steering >> Chassis Dynamics -- Overview - F01/F02 >> F01 Vertical Dynamics Systems >> Electronic Ride-height Control >> Function of Air Springs >> Post-mode

Function of Air Springs: Post-mode

Post-mode is activated in order to compensate for any inclination or to adjust the ride height after driving and between the Pre-mode and Sleep mode.

Duration of Post-mode is limited to approximately 1 minute. This mode is only executed if the engine has been running before the system switches into this mode. If the engine has not been running, the system switches directly from Pre-mode to Sleep mode.

Control adjustments are made within a tight tolerance band using the following coding parameters:

POST MODE CODING PARAMETER

Coding parameter Value
niv_post_up_e - 59 mm
niv_post_up_d - 07 mm
niv_post_down_e + 06 mm
niv_post_down + 04 mm

The fast signal filter is used.

In the event of an inclination (Kerb mode), the control operation takes place for the nominal heights applicable in this situation.