BMW Mini 98-05 Bluetooth adapter car kit interface trunk connector

Bluetooth Streaming and Hands Free Car Kit

Bluetooth Streaming and Hands Free Car Kit

BMW Z4 2003 2004 2005 2006 2007 2008

Hands free calls: accept & reject phone calls

Supports voice dial where applicable

Bluetooth wireless audio streaming

Caller ID on select stereos

Distinctive functionality

Distinctive functionality

Plug and play installation

Fully integrated to your factory car stereo

Add HD Radio capability (tuner sold separately)

AUX-In Cable (sold separately)

AUX-In Cable (sold separately)

Detachable 3.5mm audio phone jack cable

Quality sound with direct connection

  • Availability

    In Stock

  • Starter kit

    $139.99 USD

  • Price as configured


Enter your car model and year:

This kit is for the installation in the trunk only. If you want to install behind the stereo and your BMW does not have Navigation - please order BMW adapter with dash mounting cable.

If your stereo has (digital sound processing, usually written on the front of your stereo) you will also need GROM DSP conversion kit

Integrated Bluetooth Car Interface BMW Z4 2003 2004 2005 2006 2007 2008 adds Hands Free Calling and Wireless Audio to the original factory BMW Z4 2003 2004 2005 2006 2007 2008 car stereo. The system comes with built-in Bluetooth and microphone. GROM-BT3 Bluetooth BMW Z4 2003 2004 2005 2006 2007 2008 car adapter has two extension ports that can be used for Aux-In 3.5mm audio and HD Radio with optional add-ons that are sold separately.

Bluetooth functionality:
Hands Free Car Phone Calls: Make hands free phone calls in your BMW Z4 2003 2004 2005 2006 2007 2008 car (HFP), accept or reject phone call using car stereo or steering wheel button, and talk using car stereo speakers and provided microphone.
Wireless music streaming: Stream music from smartphone to the factory BMW Z4 2003 2004 2005 2006 2007 2008 stereo via Bluetooth wireless audio (A2DP), control music with the BMW Z4 2003 2004 2005 2006 2007 2008 car stereo buttons or steering wheel controls (AVRCP).

GROM BMW Z4 2003 2004 2005 2006 2007 2008 Bluetooth car kit is compatible with all smartphones, Android and iPhone and with all audio streaming phone applications or players (Spotify, Pandora and others).

Optional AUX-IN cable (sold separately):
Add 5FT 3.5mm audio AUX cable to BMW Z4 2003 2004 2005 2006 2007 2008 factory car stereo for direct aux audio connection.The 5V USB charging connector will charge most of the smarphones, including iPhone and Android. USB port on the auxiliary cable 35USB is for charging only, it will not let you to play the music directly from USB stick or Android/iPhone phone. If you want to play the music from USB stick or integrate Android or iPhone via USB - please consider GROM USB MP3 Car Kit

Optional HD Radio Tuner add-on (sold separately): Get HD FM Radio stations from your factory BMW Z4 2003 2004 2005 2006 2007 2008 stereo. GROM-HDR1 HD Radio tuner improves the sound quality of local FM stations and delivers clear and bold sound. Adds access to the HD FM sub-stations for more music choices. Check out the HD Radio Tuner and Antenna Dongle

DashLinQ Android Car Mode App available at Google Play Store It becomes easy and safe to use your phone while driving for music, phone calls and navigation. Words great with GROM-BT3 Bluetooth car kit. For more information go to DashLinQ page

Car Smartphone Mounts: Looking for the ways to safely and comfortably use your smartphone in the BMW Z4 2003 2004 2005 2006 2007 2008 car? Check out the smartphone in-car mounts available at out store here >>>

bluetooth car kit

Demo video of GROM-BT3 Bluetooth Car Kit and Toyota stereo:

The package includes 12FT BMWT cable for mounting into the trunk.
If you are not sure you can get the behind-the-radio cable (BMWS) in addition to the trunk cable here
Operating Temperature: -40C - +85 C (-50F - 200 F)
Operating current: ~50mA
Standby current: ~1mA
SN Ratio: 90dB
DAC resolution: NA
Distortion: < 0.01%
Dimensions: W / H / D - 60* 73 * 20 mm
Weight: 30g
Enclosure: ABS Plastic
BMW 3 series 1999-2005 (All)
BMW 3 series Coupe, Convertible 2006-2006 (All)
BMW 5 series 1997-2003 (All)
BMW 7 series 1999-2001 (All)
BMW M Coupe 1999-2002 (All)
BMW M Roadster 1999-2002 (All)
BMW M3 1997-2006 (All)
BMW M5 2000-2003 (All)
BMW X3 2004-2010 (All, *05+ see below)
BMW X5 2000-2006 (All)
BMW Z3 1997-2002 (All)
BMW Z4 2003-2008 (All, *06+ see below)
BMW Z8 2000-2003 (All)
Mini Cooper 2002-2005
Mini Cooper Convertible R52/R53 2004-2008
Rover Range Rover HSE 2002-2004 (Navigation 16:9; *2004 may need wire modification)

Important Compatibility Limitation for select BMW vehicles:

BMW X3 (E83) production date 09/05 and up with DSP without navigation, CD changer and iPod connection
BMW Z4 (E85) production date 02/06 and up with DSP without navigation, CD changer and iPod connection
BMW Z4 (E86) coupe production date 05/06 and up with DSP without navigation, CD changer and iPod connection

These vehicles above do not require GROM DSP adapter (use analog DSP) and can be installed at stereo or trunk, but audio part will not work until the stereo is programmed (retrofited) to accept CD Changer (bmw calls it “vehicle order”). Please contact your local BMW dealer and ask them to retrofit the stereo to accept CD changer.

If your car falls into the above range and has Navigation, CD changer or iPod connection, GROM will work without any reprogramming.

**For BMW with SiriusXM satellite radio, the XM radio need to be disconnected in order for GROM to work.
C-BMWT 12FT cable to reach to the front of the car from the trunk
- Car stereo adapter with built-in Bluetooth
- Vehicle specific harness
- Omni-directional microphone with swivel mount 10FT
- User manual

Optional accessories and upgrades - sold separately:
- MiniDin - 3.5 male audio cable connector
- HD Radio Tuner and Antenna - GROM-HDR1
- Flush Mount AUX-In mounting cable
Q.: Will my steering wheel controls work with GROM-BT3 Bluetooth car adapter for BMW Z4 2003 2004 2005 2006 2007 2008 ?
A.: Yes, car stereo and steering wheel controls will work. You can accept or reject the phone call and skip track forward or go track backward using car stereo or steering wheel controls of BMW Z4 2003 2004 2005 2006 2007 2008

Q.: Can I connect my phone to the car factory Bluetooth for hands free phone calls, and to GROM Bluetooth for wireless music streaming?
A.: Yes you can do it. Read more about how you can do it for Android phone or for the iPhone.

For more questions about GROM-BT3 Bluetooth car adapter functionality please visit GROM-BT3 FAQ page