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Edit 1/3/2011: Apparently there's already another thread for this:
http://www.e90post.com/forums/showthread.php?t=626202
Sorry for the duplicate, thanks Technic for pointing it out.
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Noticed BMW released an update via
http://www.bmw.com/update. Has anyone tried loading it yet?
You can download the PDF from the same site and it will provide detailed information on what is updated.
Copy/Paste from the PDF:
Software update information
File name: UPD01004.bin
Content
The content of the software update depends on
the status of the software installed in your vehicle.
See the description below for details of the
possible content of the update and the devices
supported.
From those listed below, the version that is
appropriate for your vehicle is installed:
> MX-3.5.4, TX-3.5.4
> TX-2.6.4
> MX-1.12.0
Conditions
The software update is available only for certain
vehicles equipped with a USB audio interface.
In these vehicles, the main menu "Settings"
includes the menu item "Software update".
Further information is provided in the Owner's
Handbook for Vehicle under Software Update.
Go to
www.bmw.com/update or the compatibility
matrix at
www.bmw.com/bluetooth to find
out whether your vehicle is supported.
Installation
Installation of the software update requires
agreement with the terms and conditions of
use. For further information, see
www.bmw.com/update. For the purposes of
installation, save the software update file in the
main directory of a USB drive. Observe the
additional instructions in the Owner's Handbook
under Software Update. Following installation
of the software update, the new software
status is shown in the vehicle under "Show current
version".
Notes
Once the software has been updated, the software
in the vehicle is restarted and data transferred
from the USB drive resynchronised
where necessary. Wait a few minutes until the
USB drive is operational again. Tracks or playlists
played before the software update must be
selected again. This is also necessary is the
previous version of the software is restored
using "Restore previous version".
Before you start a Teleservice update, make
sure that mobile wireless reception quality is
good by checking the status indicator on the
control display.
Software update
(MX-3.5.4, TX-3.5.4)
Content
> Office: Improved support for email messages.
> Telephone: Improved USB connectivity for
iPhones with iOS 5. Improved connection
setup with certain phones. Display and stability
with calls ongoing improved with certain
phones. Improved Bluetooth connectivity
with HTC phones. Improved phone
book sorting on Android phones in Japan.
> Multimedia: Improved display of additional
alum and track information. Better connectivity
for Bluetooth audio devices.
> Improved functionality, BMW TeleServices,
BMW Online and Internet on iPhones with
iOS 5.
Supported devices
The software update improves the compatibility
of the following devices:
Multimedia
> All USB devices
> Apple: iPod touch, iPhone
> Archos: 3 Vision
> Creative: MuVo V100
> Iriver: E100
> Palm: Pre
> Sony Ericsson: C905
> Symbian Foundation: S60
> Yari: U200
Phone
> Apple: iPhone (iOS 5)
> Au: IS03
> RIM: Blackberry Pearl (OS 6.x)
> DoCoMo: Galaxy S SC-02B, NEC MEDIUS
N-04C, Samsung Galaxy S II SC-02C,
Sharp Aquos Phone SH-12C, Xperia Acro
SO-02C, Xperia Arc SO-01C
> HTC: Sensation
> Nokia: C7, N8, X7
> Verizon Wireless: ZTE F450
Notes
Following installation of the software update,
the following software status is shown in the
vehicle under "Show current version":
> MX-3.5.4
> TX-3.5.4
Software update (TX-2.6.4)
Content
> Office: Improved support for email messages.
> Telephone: Improved connection setup
with certain phones. Display with calls
ongoing improved with certain phones.
Improved Bluetooth connectivity with HTC
phones. Improved phone book sorting on
Android phones in Japan.
Supported devices
The software update improves the compatibility
of the following devices:
Phone
> Apple: iPhone (iOS 5)
> Au: IS03
> RIM: Blackberry Pearl (OS 6.x)
> DoCoMo: Galaxy S SC-02B, NEC MEDIUS
N-04C, Samsung Galaxy S II SC-02C,
Sharp Aquos Phone SH-12C, Xperia Acro
SO-02C, Xperia Arc SO-01C
> HTC: Sensation
> Nokia: C7, N8, X7
> Verizon Wireless: ZTE F450
Notes
Following installation of the software update,
the following software status is shown in the
vehicle under "Show current version":
> TX-2.6.4
Software update (MX-1.12.0)
Content
> Improves the speed and stability of music
playback from a USB drive that is connected
to the USB audio interface in the
centre armrest and contains multiple playlists.
Supported devices
The software update improves the compatibility
of the following devices:
Multimedia
> All USB media
Notes
Following installation of the software update,
the following software status is shown in the
vehicle under "Show current version":
> MX-1.12.0