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 M3 2003 adds Hands Free Calling and Wireless Audio to the
original factory BMW M3 2003 car stereo. The system comes with built-in Bluetooth and microphone.
GROM-BT3 Bluetooth BMW M3 2003 car adapter has exnetsion port that can be used for Aux-In 3.5mm audio and USB charging with optional
add-on cable that is sold separately.
Bluetooth functionality:Hands Free Car Phone Calls:
Make hands free phone calls in your BMW M3 2003 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 M3 2003 stereo via Bluetooth wireless audio (A2DP),
control music with the BMW M3 2003 car stereo buttons or steering wheel controls (AVRCP).
GROM BMW M3 2003 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 M3 2003 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 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 M3 2003 car? Check out the smartphone in-car mounts available at out store here >>>
Demo video of GROM-BT3 Bluetooth Car Kit:
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
Bluetooth: A2DP 1.3, AVRCP 1.4, SBC audio codec (max bitpool 86)
Distortion: < 0.01%
Dimensions: W / H / D - 60* 73 * 20 mm
Enclosure: ABS Plastic
BMW M3 2003
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 with USB charging
- Flush Mount AUX-In mounting cable
Q.: Will my steering wheel controls work with GROM-BT3 Bluetooth car adapter for BMW M3 2003 ?
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 M3 2003
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