To make a t piece up I used these.

1) 61.13.8.377.072 - Male Plug x2 - same as CD I-bus plug. = £0.68
2) 61.13.0.006.663 - Female termination x6 = £0.90

3) 61.13.6.931.929 - Female plug x1 = £0.98
4) 61.13.0.006.664 - Male termination x3 = £0.94

like so;

__________________
Sept 03, M3, Silver Grey. Retro-fits: Modded Mk4 DVD Drive, OEM Bluetooth, VR Control, Rainbow Speaker Upgrade, Sony SOT Amp, HK Sub, CCFL, Intravee II, NightMode.