Only the latest TCU's offer streaming, but they're not compatible with the E38 7-series.
Compatible ULF's and TCU's are made for voice communications, not music streaming.For a summary, see BMW TCU and ULF Part Numbers. Compatible TCU's were made starting in late 2004, with the most recent being p/n 84-10-9-195-455 (from 3/08 and still available from BMW). For phone cradle installation, see "Universal Eject Box" below.īMW made several different ULF's and TCU's over the years. While the good folks at BimmerNav sold TCU kits for over $900, a TCU retrofit - as described here - can cost under $200. TCU (Telephone Control Unit): Partially compatible with E38's thru 08/00 (see limitation for nav voice control below) but fully compatible after that No pairing button (pair within two minutes of starting your car) Phone cradles optional Cheaper and more numerous than ULF's.Ĭonsidering cost and availability, most people choose to install a TCU.ULF (Universal Hands-Free): Compatible with most BMW's regardless of installed electronics and model year Requires phone pairing button, which is included with optional "eject box" phone cradles (in center armrest) that connect to roof antenna and charge your phone However, ULF's are expensive and hard to find.There are two different ways to achieve this: Now you can finally use all your car's electronics including the built-in microphone and steering wheel controls, plus view extensive phone information - including your contact list - on your nav screen or MID display. In addition, the CD changer line remains open. But a factory BT system operates independently, in the background and always at the ready. Replacing the useless stock phone system in your BMW with a factory, hands-free "Bluetooth" system is a fantastic way to modernize your car, gain practical benefits, and fully utilize your onboard electronics.Īftermarket BT devices (such as Grom and MediaBridge) require your radio to be continuously on and in CD mode in order to function. NOTE: Although the factory adaptor has been discontinued, you can Make a DB25-to-54-Pin Adaptor
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