© BMW AG, Munich 01 29 2 167 319 3/2010 (Z/S) 7
4. Connections diagram, diplexer
Only vehicles with option SA 662 built after 9/09
Branch/
Position
Designation Signal Cable colours/
cross section
Plug-in location in vehicle Designation/
plug-in location
B Diplexer --- --- --- ---
B1 BL 2-pin socket housing --- --- At mid-range speaker D ---
B2 2-pin BL pin housing --- --- At tweeter E ---
B3 2-pin BL pin housing --- --- At original socket housing to door speaker ---
Branch/
Position
Designation Signal Cable colours/
cross section
Plug-in location in vehicle Designation/
plug-in location
M Connecting cable for central bass,
right
--- --- --- ---
M1 SW 4-pin socket housing --- --- At branch A5 X10373
M2 BL 2-pin socket housing --- --- At pin housing G ---
M3 Pin contact NF+ BL/BR
0.5 mm
2
At door disconnector, right X256
PIN 33
M4 Pin contact NF- BL/SW
0.5 mm
2
At door disconnector, right X256
PIN 34