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Title: Read below...
Review: I purchased this adapter according to product selection tool from Metra website (metraonline.com) for 2001 BMW 530i. It turned out to be the wrong part. After a trip to the local stereo shop, I found correct plug adapter for my car, Metra 70-9003, which metraonline.com lists as 2002-up 5-series. Even at that point, 70-9003 had to be modified to send proper 4V pre-amp signal to stock BMW amp. I had to cut RCA adapters from 70-8591 and connect them into 70-9003 speaker wire inputs.In short, you will need to buy both 70-8591 and 70-9003 adapter harnesses to make it work right on 01-03 US-spec 5-series. This install was done on a non-DSP equipped car.
