I remember this taking a bit of testing to work out. The wiring diagrams say what's what but not how they work. From my notes where I chopped off the BMW connectors and popped an 8 way on...The pin numbers won't help but the colours may
Indicator Stalk to 8 way multi connector
1 – BRN – Ground
2 – YEL/RED – BC when brought to ground pin 1
3 – GRN/YEL – Main Beam Flash when contact to pin 4
4 – WHT – To High Beam relay and dash
5 – BLU – Right Indicator
6 – BRN/RED – Live from Horn relay - grounded on column
7 – GRY – Left Indicator
8 – YEL – High Beam on – From the main Off/Sides/Head switch
Indicator Stalk - left on original connector
GRY/BRN – unknown
GRY/YEL – unknown
GRY/GRN – unknown
GRY/BLU – unknown
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