Quote:
Originally Posted by mr_robot
No, it currently has bluetooth and my iphone is paired. Works for its intended purposes.
Was just thinking of "upgrading" to the newer unit since newer must be better lol but you are saying that the ULF and TCU quality is not any different than maybe not worth the hassle as it looks like I need to also install a "pairing" button up front.
The phone quality is not the best but it's expected for a car this age and just thought a 2007 module would have better call quality.
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With the build date you gave...there is no "better" upgrade. You have the "best" that can be had (in regards to oe BT TCU) regardless if there are superseded part numbers. The next step up is the BT modules that are for the new generation BMWs which would have been the e70 X5 (in this case) and is
NOT compatible with your e53 because they operate on the MOST but (your e53 communicates telephony ove the I- bus).
In fact, the instructions you are reading about that have a "pairing button" is for
older BMWs that had the old phone systems and the BT ULF component was an optional upgrade. Starting with the 10/04 build date (for this example, the e53) ...BMW started installing the
newer BT TCU components as standard equipment if you had BMW Assist or Premium Pkg. These new BT TCU units didn't require a pairing button...pairing takes place automatically for the first few minutes the ignition is turned on.