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Old 03-05-2015, 08:31 AM
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ScoobyDooBMW ScoobyDooBMW is offline
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Location: Oklahoma
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Quote:
Originally Posted by spongerich View Post
Been reading dozens of bluetooth threads and my brain has been turned to mush.

I've got an early 04 E53 (Production 5/14/04) with S639A Preparation f mobile phone cpl. USA/CDN and S676A HiFi - No Nav, No DSP.

From everything I've read, my TCU won't actually do bluetooth, but a swap with a newer TCU should be plug and play.

Are there differences in the TCU's on Nav and/or DSP equipped cars?

Can I get a TCU from any 05/06 E53, E46, Z4?

Many thanks
I just installed a 10/04 TCU into my 4/04 built X5. It was a plug and play and it works perfect.
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