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#1
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Now I'm more confused than ever are TCU from Nav/DSP/Premium different?
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 |
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#2
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Quote:
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'04 Imola Red 4.8is |
#3
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Thanks. I haven't had much time to do any real troubleshooting, but I think that my problem is in my wiring (could be just a fuse). Neither my new TCU nor my original one shows up when I run diagnostics. If spring ever arrives, I'll get my multimeter out and check for power, CAN signals at the connector and work from there.
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==================================== '04 E53 X5 4.4i '05 Mazdaspeed MX-5 '00 Saab 9-3 SE Cabrio |
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