Rep.- wiring harn.assort.Head Unit High.BMW parts catalog ETK contains detailed information on spare parts for cars manufactured by BMW since 1928.

Contains following connections:
A42*20B headunit to A12*3B Central
Information Display

For vehicles with
Teleservices ( S6AEA Yes )
and
Connection Bluetooth + USB devices incl. ( S6NLA Yes )
Contains following connections:
A42*23B headunit to A231*2B
Telematic Communication Box
Additionally included: Aerial lines
from A231*3B
to E66*1B telephone backup aerial and
E26*2B base of aerial

For vehicles with
Teleservices ( S6AEA Yes )
and
Connection Bluetooth + USB devices incl. ( S6NLA No )
Contains following connections:
A42*23B headunit to A231*2B
Telematic Communication Box
Additionally included: Aerial lines
from A231*3B
to E66*1B telephone backup aerial and
E26*2B base of aerial

For vehicles with
Teleservices ( S6AEA No )
and
Connection Bluetooth + USB devices incl. ( S6NLA Yes )
Contains following connections:
A42*23B headunit to A231*2B
Telematic Communication Box
Additionally included: Aerial lines
from A231*3B
to E66*1B telephone backup aerial and
E26*2B base of aerial

For vehicles with
Connection Bluetooth + USB devices incl. ( S6NLA Yes )
and
Comfort telephony w/ enhanced Smartphone ( S6NSA Yes )
Contains following connections:
From A42*22B head unit to X29**3B
Plug connection base plate / eject box

For vehicles with
Connection Bluetooth + USB devices incl. ( S6NLA Yes )
and
Comfort telephony w/ enhanced Smartphone ( S6NSA No )
Contains following connections:
From A42*22B head unit to X29**3B
Plug connection base plate / eject box

For vehicles with
Connection Bluetooth + USB devices incl. ( S6NLA No )
and
Comfort telephony w/ enhanced Smartphone ( S6NSA Yes )
Contains following connections:
From A42*22B head unit to X29**3B
Plug connection base plate / eject box