I think it's 65 81 1 384 780, listed under Instruments\Additional Information Instruments.
Or a part #? I can't ID it in my ETK. The PO 'dremeled' it all up to mount a cell phone.
Here it is:
If you have an extra one in great shape let me know what you want for it.
I think it's 65 81 1 384 780, listed under Instruments\Additional Information Instruments.
Custom Turbocharged 1991 535iM - 135k mi.
Thanks Allan.