CRUX BEBMW-42 Bluetooth® Interface

Talk hands-free and stream music in select 2002-11 BMW models with the fiber-optic system

Item #: 249BEEMW42

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Factory radio, aftermarket features

Crux's BEBMW-42 Bluetooth interface expands the functionality of your factory BMW system without replacing the radio, great news considering that stock systems with fiber-optic lines are nearly impossible to change. Connect this interface to your existing radio, and you'll enjoy the convenience of hands-free calling using your Bluetooth-equipped phone. You'll use your factory radio buttons or your existing steering wheel controls to control your calls. And since you're not fumbling with your phone, you can safely keep both hands on the wheel.

Install the included external microphone in a good spot for the best reception, such as near your visor or on top of the steering wheel column. You can also adjust the microphone volume so your callers can hear you clearly. The Crux interface allows you to pair up to ten Bluetooth-equipped phones simultaneously, so other drivers and passengers can use their phones as well.

Tunes served up wirelessly

In between calls, you'll need something to occupy your drive time. The Crux BEBMW-42 interface also lets you listen to your favorite music wirelessly from your compatible phone via Bluetooth. The Crux interface uses the factory CD changer input on your factory radio for audio streaming. So while you will lose the factory CD changer, you'll gain a huge range of audio sources from your smartphone. And if any calls come in, your music will be be muted so you can hear your caller on your factory speakers. Turn it on, turn it up, and enjoy.

Please enter your vehicle information or call an Advisor at 1-888-955-6000 to find out if this interface is compatible with your vehicle.

Important Note: You'll have to access the rear of your BMW's radio to install this Bluetooth adapter. If you're unfamiliar with installing car audio gear, we recommend that you use a professional installer as this is a tricky installation. You can check out a step-by-step description of the process in the adapter's manual.

Product Highlights:

  • talk hands-free through the stock audio system of select BMW vehicles
  • stream audio using the CD changer input on the factory audio system
  • pair up to 10 phones simultaneously
  • use factory controls to control phone and audio functions
  • external microphone included
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research

What's in the box?

Download owner's manual

  • Bluetooth interface module (for BMW)
  • Microphone w/ integrated visor clip (attached 10.5' cable terminated by a 2-pin connector)
  • 23" Power/ground harness
  • T-harness
  • Manual

Product Research

Features

Bluetooth Connectivity Kit (for BMW): The CRUX BEBMW-42 Bluetooth Connectivity Kit is tailored to integrate your Bluetooth-enabled mobile phone with the factory entertainment system in select BMW automobiles with Fiber-optic based Systems, including Mini vehicles. It supports Bluetooth hands-free communication and wireless music streaming between your Bluetooth-enabled mobile phone and the BMW's factory system. This Bluetooth in-car kit consists of a hide-away Bluetooth module, external microphone, power/ground harness, and T-harness.

Vehicle Compatibility: The CRUX BEBMW-42 is supported by the following BMW and Mini vehicles with factory Fiber-optic based system (iDrive) and any one of these factory installed radios (Navigation Professional/Navigation Business/Radio Professional/Radio Champ MP3/Mini Radio Boost).

Make Model  Year
BMW 1 Series (E81/82/87/88) 2004-2011
3 Series (E90/91/92/93) 2005-2011
5 Series (E60/61) 2004-2010
6 Series (E63/64) 2004-2010
X3 (E83) 2004-2010
X5 (E70) 2007-2011
X6 (E71) 2008-2011
Z4 (E85/86) 2003-2008
Z4 (E89) 2009-2011
Mini R56 2007-2011
Note: Not compatible with 7 series (E65/E66) and F series (F01/F02). Click here for detailed application chart from CRUX. Please consult Crutchfield's Outfit My Car to see if your vehicle is compatible and what additional installation accessories will be needed.

Parrot Chipset: The CRUX BEBMW-42 features a CK5050 Parrot chipset and is Bluetooth ver. 2.1 certified for hands-free phone communication and wireless audio streaming.

Multi-Device Pairing: The CRUX BEBMW-42 pairs with the vast majority of Bluetooth-enabled mobile phones (including iPhone, Blackberry, & Android). You can pair up to 10 mobile devices with the BEBMW-42, however only one device can be used at a time. Once paired, the BEBMW-42 will automatically connect with your mobile device when in range (up to 30').

Note: Due to the differences in Bluetooth technology, some Bluetooth enabled devices may be incompatible, function improperly, or may not support all features when used with The CRUX BEBMW-42.

Hands-Free Phone Communication w/ External Mic: The CRUX BEBMW-42 supports Bluetooth Profile HFP and comes with an external microphone that enables the telephone function of your vehicle's factory radio for hands-free communication between the factory radio and your Bluetooth-enabled mobile phone. Phone calls can be answered and ended using your vehicle's factory radio or steering wheel controls. Your music will be muted and an audible ringtone will be heard through your vehicle front speakers when there is an incoming call. The BEBMW-42 will even announce the caller's name and phone number through your car audio system (front speakers only) and display this information on your factory radio. Your mobile phone's contacts (up to 1,000) are automatically downloaded to your vehicle's factory radio; and you can use the factory radio, factory steering wheel controls, or factory voice recognition function to dial those contacts. This Bluetooth connectivity kit uses DSP and Echo-cancellation technology for clear conversations on both sides of the phone call. You can adjust the microphone sensitivity, caller audio volume, and ring tone volume.

Note: If your vehicle has a factory telephone kit, it will need to be removed before installation of the BEBMW-42.

Wireless Music Streaming: The CRUX BEBMW-42 supports Bluetooth Profiles A2DP and AVRCP, so you can wireless stream audio from your Bluetooth-enabled mobile device to your vehicle's factory audio system. You can stream music stored on your Bluetooth-enabled device or stream music apps (such as Pandora, SiriusXM Radio, iHeartRadio, etc.) that are playing on your Bluetooth device to your vehicle's sound system (front speakers only). You'll also be able control basic playback functions (such as Play/Pause, Volume Up/Down, Previous/Next Track {not iPhone}) from your factory radio and steering wheel controls (if equipped). Your wireless streaming music will be interrupted during a phone call.

Note: Your BMW or Mini vehicle must have the option of a factory CD/DVD-changer (but not installed). The interface will use the factory radio's CD/DVD-changer input and commands to operate your Bluetooth mobile device.

SMS Compatible: If your Bluetooth-enabled mobile phone is compatible with SMS (Short Message Service), the CRUX BEBMW-42 will display the text message on your factory radio screen and allow you to respond from the factory radio controls.

Installation: The CRUX BEBMW-42 installs behind your vehicle's factory radio. The fiber-optic cable of the factory radio gets unplugged and the included T-harness takes it place on back of the radio. Then the fiber-optic cable plugs into the T-harness and the T-harness into the interface module. There is also a power/ground harness which will need to be plugged into the interface and hardwired to your factory radio's wiring for 12-volt constant and ground. Finally, connect the external microphone to the BEBMW-42's mic input and mount the microphone to your sun-visor.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

CRUX BEBMW-42 Bluetooth® Interface Reviews

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Wouldn't Connect

Written By BGS, Plymouth, MA on Wednesday, August 06, 2014

Crutchfield Customer Review (What's this?)

While this bluetooth device seems like a quality device my installer was never able to get Bluetooth music to connect. This was after repeated calls directly to the manufacturer and utilizing a bypass device sent to the installer. The one positive to this transaction was Crutchfield customer service. The process of installing the unit, troubleshooting it, contacting the manufacturer, etc. took a while. Working with a Crutchfield representative he was able to obtain a full refund for me. I would high recommend Crutchfield and will order here again.

Pros: Crutchfield customer service.

Cons: Couldn't get unit to work.

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