Learning Characteristic Curve

WARNING: This page is about a different car, the 2003 BMW X5 and 2002 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

E38 from 9/98; replacement of drive unit

E39 from 3/98

E46 Compact

E46 Saloon, Touring, Coupe from 09/2001; initial equipment of drive unit

E46 Saloon, Touring, Coupe; replacement of drive unit

E53 slide/tilt sunroof (not: panoramic glass sunroof):

The curve is learnt manually in the following steps:

Release switch after normalization for max. 5 seconds.
Then hold down the switch in the raising position direction until such time that the slide/tilt sunroof has returned to the closed position after a complete opening movement.

Fig 1: Identifying Slide/Tilt Sunroof Switch
Courtesy of BMW OF NORTH AMERICA, INC.
This concludes learning of the curve. The switch can now be released.

NOTE: Carry out function check (one-touch function, anti-trapping protection and, if necessary, comfort function).

E38 up to 9/98; initial equipment and replacement of drive unit

E39 up to 3/98:

In these cars, the curve is learnt automatically during operation by way of the module.

After normalization, open and close slide/tilt sunroof fully once by pressing switch.

In the event of faulty triggering of the anti-trap protection facility in specific positions, the fault can be rectified by moving over the relevant position numerous times.

E38 from 9/98; initial equipment of drive unit

E46 Saloon, Touring, Coupe up to 09/2001; initial equipment of drive unit:

The curve is determined by means of coding.