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Old 08-28-2006, 11:07 PM
apw2607 apw2607 is offline
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Not sure .... you could ask them to simply recode the TCU. V27.1 shouldn't have caused any issues ... so long as its still in USA mode ... ? If the NAV has switched itself to Euro mode, no accept screen for instance, route magnet feature available ... then YES, this can screw up the Assist TCU, and recoding on that is necessary ... as well as recoding the NAV unit back to USA mode.

If it turns out that your BMW Assist only TCU has failed, and you are out of warranty .... then I can sell you a BMW Assist Only TCU from my 2004 M3 -send me a PM. It worked fine, but I upgraded it to the Bluetooth/Assist Combo unit. I've had it lying around for a year or so !
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