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Automatic Soft Close system

For convenient closing of the luggage compartment lid, the Soft Close Automatic system is installed as-series standard. The Soft Close Automatic system consists of 2 drives. The drives lock the luggage compartment lid on the left and right at the support member of the rear module. This increases the stability of the rear end.

Notice! Cable and lock barrel have been discontinued! 

The cable and the lock barrel were deleted in 2010. This means that it is no longer possible to unlock the tailgate manually.

Fig 1: Identifying Automatic Soft Close System
G09871197Courtesy of BMW OF NORTH AMERICA, INC.
Index Explanation
1 Micro-switch for luggage compartment lock, left
2 Central-locking drive for luggage compartment lid
3 Bowden cable for unlocking the luggage compartment lock, right
4 Micro-switch for luggage compartment lock, right
5 Tailgate lock barrel (deleted 2010)
6 Bump stop, right
7 Automatic soft close drive, right
8 Bowden cable for mechanical unlocking of the luggage compartment lid
9 Cable for unlocking left rear lid lock (discontinued 2010)
10 Automatic soft-close drive, left
11 Bump stop, left

When the luggage compartment locks on the left and right have reached the locking bracket, 2 micro switches are pressed. The signals are sent to the junction box electronics (JBE). The Convertible Top Module (CTM) receives the signals across the CAN bus. The CTM then activates both drive units for the Automatic Soft Close system, continuing until the tailgate is locked.

Banging the luggage compartment lid shut would make closing with the Soft Close Automatic system unnecessary. For reasons relevant to safety, it must be ensured that the luggage compartment lid really is closed. This is why the drives of the Soft Close Automatic system are activated in all cases.

Both drives have an anti-repeat circuit to prevent overheating. The anti-repeat circuit permits up to 20 activations of the Soft Close Automatic system (counter up to 20 increments). Thereafter, the Soft Close Automatic system is electrically blocked for approx. 2 minutes.