Can you post a pic? https://xoutpost.com/electronics/nav...4-vs-bm53.html

I have a BM53 around, but wont have access to it until the 30th.

If your car has a BM54 that is VERY odd.

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2004 BMW X5 4.8is [Black Sapphire] / [Black Nappa] [Nav] [DSP] [Style 87]
2003 BMW 540i [Sterling Gray / Gray]
[Msport] [Mods from A-Z] [Two-tone Interior]