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Crux BTS-VW2 Bluetooth® Interface

Stream music through the factory radio in select 2002-12 Volkswagen and Audi vehicles

Item # 249BTSVW2

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Item # 249BTSVW2

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About the Crux BTS-VW2 Bluetooth® Interface

Crux BTS-VW2 

Crux's BTS-VW2 adapter allows you to add Bluetooth streaming to the factory radio in your Volkswagen or Audi. Now you can stream audio without having to replace the car radio, and even hear navigation app voice prompts over your car system when in Bluetooth mode. The BTS-VW2 also features a USB port for music playback which you can control via the radio panel or your steering wheel controls. You can charge your phone from the USB port, and the module also includes a 3.5mm auxiliary input jack for other audio sources. The package also includes a magnetic phone mount.

Product highlights:

  • stream audio through your Volkswagen or Audi's factory radio
  • USB music playback with controls via radio panel or steering wheel controls
  • USB charging from module USB port
  • 3.5mm AUX input jack
  • magnetic phone holder included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # BTS-VW2

What's in the box:

  • Bluetooth/USB/Aux interface adapter (attached 30" harness)
  • Vent mount
  • Magnetic base
  • Magnetic plate
  • Self-adhesive magnetic plate
  • Installation & Operation Instructions

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Crutchfield response

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More details on the Crux BTS-VW2 Bluetooth® Interface

Stacey B.

Product Research


Add-On Bluetooth/USB/Aux Interface Adapter: The Crux BeeLine series BTS-VW2 allows you to add Bluetooth music streaming, USB music playback & charging, as well as a 3.5mm Aux input to the factory radio of select Audi & Volkswagen vehicles.

Vehicle Compatibility: The Crux BeeLine series BTS-VW2 is compatible with select 2002-2011 Audi & Volkswagen vehicles that feature a factory radio with a 12-pin CD changer port.

Make Model Year
Audi A3 2008-2010
A4/S4 2007-2009
TT 2007-2010
R8* 2006-20009
Volkswagen Beetle 2009-2011
EOS 2007-2011
Golf 2003-2011
Jetta 2002-2009
Passat 2003-2007
Touareg 2004-2012


  • Factory radio must have a 12-pin CD changer port.
  • If your vehicle is equipped with an external factory CD-changer, it must be disconnected.
  • Not compatible in vehicles with factory navigation radios.
  • *The Audi RR8 must have a factory radio with a CD player and no touchscreen.

Bluetooth Music Streaming: Thanks to built-in Bluetooth 2.0 with support for A2DP, you are able to wirelessly stream stored music and music apps (using SBC codec only) from your Bluetooth-enabled smartphone or portable audio player to the Crux BTS-VW2 and your vehicle's factory radio. There is no music control or song/artist information on the factory radio; this will still need to be done from your Bluetooth source device. You can also use Bluetooth to hear navigation voice prompts (factory radio and adapter must be in Bluetooth mode). The adapter will only pair to one device at a time.

Notes: The Crux BeeLine series adapter does not support Bluetooth hands-free phone communication.

USB Port: The adapter's USB-A 2.0 port supports playback of MP3 music files stored on a USB mass storage class (MSC) device, like a USB thumbdrive (you may want to purchase a USB extension cable). You can control Track/Folder Up & Down from the factory radio or steering wheel controls (if equipped). The factory radio will not display song/artist information. The USB port can also be used to charge (5V/0.5A) your smartphone.

Aux Input: There is a 3.5mm auxiliary input for connecting almost any external portable audio source with a headphone jack or analog audio output. Music from your connected portable audio source will be heard through the factory radio and speakers. There are no playback controls or song/artist information on the factory radio.

Magnetic Vent Mount: The Crux BTS-VW2 comes with a magnetic vent mount for your smartphone. The mount works with most air vent configurations found in today's vehicle's - including horizontal, vertical, and round air vents. The vent mount includes a magnetic device cradles and comes with a self-adhesive magnetic plate which attaches to the outside of your smartphone or inside of your smarpthone case. Once the magnetic plate is installed, simply hover your mobile device over the cradle and it will quickly snap into place and remain there. You can quickly remove it too. The mount's ball-and-socket mechanism allows you tilt your smartphone up or down, turn it left or right, and rotate it 360-degrees. You'll be able to mount your device in a vertical (portrait) or horizontal (landscape) orientation.

Plug-&-Play Harness: The Crux BeeLine series BTS-VW2 features an attached 30" harness which plugs into the 12-pin CD changer port on the back of the factory radio. The factory radio will need to be removed from the dash in order to gain access to the 12-pin CD changer port. If there is a factory external CD changer already plugged into this port, you will need to unplug it and leave the CD changer disconnected.

Operation: The Crux BTS-VW2 is accessed through the "CD" button on your vehicle's factory radio. In this mode the factory radio will display "CD1 TR1". You cannot manually switch between the inputs of the BTS-VW2. Instead, the BTS-VW2 automatically switches for you based on what device you have connected - Bluetooth, USB, or Aux (only connect one device at a time).  

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Customer Q&A

Crutchfield asked: Why did you buy this?
recommendations of Crutchfield employee [ Nancy  Sep 16, 2019 ]
Convenience I want to keep my original oem radio but I want to connect my phone. [ Efrain  Apr 02, 2019 ]
I ordered this item so that I could stream music from my iPhone both via Bluetooth as well as USB. [ Richard  Dec 08, 2018 ]
Adding bluetooth but maintaining oem look. [ Charles  Aug 30, 2018 ]
Best option, to my knowledge, to add bluetooth/streaming functionality without replacing the head unit. I'm satisfied with my head unit except for lack of bluetooth. Want to retain OEM appearance. [ Todd  Apr 04, 2018 ]
Straightforward information from your website and helpful person on the phone. [ michael  Mar 28, 2018 ]
My car is an older model, and I would like to be able to listen to my music I have installed on my phone. [ Nancy  Mar 20, 2018 ]
direct hook up no wire splicing and great price [ MARY  Dec 19, 2017 ]
Price. Reviews. Crutchfield service. [ Jerry  Nov 26, 2017 ]
After reviews here on Crutchfield, a couple forums, and some YouTube - I determined this was the right interface for my 07 Passat. Going for Bluetooth and USB connectivity for my iPhone. [ Mengelking11  Oct 31, 2017 ]
To keep my factory look radio while having Bluetooth capability [ william  Oct 05, 2017 ]
read about it on the forums. This is my second one, the other is in another car and works great [ Merrill  Aug 24, 2017 ]
Because I trust Crutchfield and they said it will work with my car. [ MICAH  Jun 19, 2017 ]
To listen to Pandora in my car. [ Thomas  Jun 18, 2017 ]
Best option for my car [ SUSAN  Jan 21, 2017 ]

7 questions already asked

Will this work in my 2009 Audi A4 with non MMI factory stereo?
[ Naun18  May 27, 2018 ]
1 answer
Possibly. If you do not have the stock navigation (GPS) but do have the factory CD changer (or, at least the option for it), the adapter will work, yes. If you have the factory Satellite Radio option; it will no longer function when the adapter is installed. For additional assistance and personalized recommendations, feel free to contact us directly by phone or through our online chat service:
[ Ryan  Jun 02, 2018 ]  Staff
Will it fit Audi A6, 2006?
[ Roman  Mar 07, 2018 ]
1 answer
If Audi uses the same radio type of the VW Passat, yes and it is a superior product in that one will not be able to tell whether or not the Bluetooth is on.
[ Darryl  Mar 07, 2018 ]
Can I still use a clip-on hands free Bluetooth adapter for receiving calls while using this adaptor on my car/stereo/phone?
[ korichan  Oct 02, 2017 ]
1 answer
Most phones can only be paired to one Bluetooth device at a time. You can check with the manufacturer of your phone or your wireless carrier to confirm it's capabilities.
[ Ryan  Oct 04, 2017 ]  Staff
What bluetooth protocols/technologies does this unit support? For example, does it support AptX? What version of bluetooth? Which profiles are supported?
[ Steve  Sep 19, 2017 ]
1 answer
We checked in with Crux to confirm here: All the CRUX BTS type interface are only for BT Audio streaming only, you cannot use it for phone calls. The only two Bluetooth profiles that are supported are the A2DP audio distribution profile, and AVRCP remote control profile. The BT chipset is 2.0.
[ Jeff  Sep 27, 2017 ]  Staff
Will the "phone audio" play over the car's speakers during an incoming call?
[ Fred D  Apr 26, 2017 ]
5 answers
[ christopher  Apr 27, 2017 ]
Nope. Not sure why it won't, but still love it. Works great in the car
[ Tina  Apr 26, 2017 ]
Only media audio is played over the speakers, so phone call audio is only heard through the phone.
[ Drilon  Apr 26, 2017 ]
yes it will unless your phone is on silent
[ dain  Apr 26, 2017 ]
It did not work on my 2016 Audi A4. Audi Dealer recommends tune2air WMA3000A it hooks up to the port in the glove box.
[ SERGIO  Apr 26, 2017 ]
Will this unit disable to factory cd player on my concert II+? or can I still play cd's in the single disc slot on the head unit with this connected. Thanks!
[ TKHood  Apr 08, 2017 ]
1 answer
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up your vehicle and see if this will integrate. If it does not, then they will also be able to discuss other options with you.
[ Kenny  Apr 08, 2017 ]  Staff
Hi I'm interrest about this product "Crux BTS-VW2 Bluetooth" could you please check if it will working with my car ? I have an VW EOS 2015 BR Daniel
[ Daniel  Mar 29, 2017 ]
1 answer
For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle.
[ Kenny  Mar 31, 2017 ]  Staff

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