Looking for a good working KE-83zbm cassette radio with code for my 1989 535i. They were used in 3, 5, and 7-series from 1989-1993. There are probably other units that will work, but my stereo skills are limited and I know the KE-83 is a no-brainer plug-n-play. It looks like this (without the AUX input):
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zmuff--1989 535i 5-speed--17" E39 Style 32's--JC chip--UUC Short Shift--
--Racing Dynamics Springs & Sways--Bilsteins--Yorktown, VA
got one for 75 shipped