Uploaded June 2020 | Updated September 2026, 2 days ago

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Thank you Andrew for filming this retrofit! Andrew has a 1997 BMW E39 540iA, non-DSP, non-nav, high-OBC. He details how to retrofit factory BMW navigation to this setup.

Parts:

DSP amplifier bracket: 65128384680
Front-facing CD changer bracket: 65128360752
Rear-facing CD changer bracket: 65128361456
BM53 radios: e39source.com/archives/1757
Navigation retrofit harness: 61120309250
MKIII or MKIV navigation computer
Navigation computer bracket: 65906909251
8mm radio bracket screws: 07119904269
4:3 or 16:9 navigation display
GPS antenna with a Fakra or SMB style connector (I used one for GM products past 2013)
16:9 navigation display bracket: 51457044007

E39Source website: e39source.com

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