Description
MAIN FEATURES
This MOST Fibre Optic Amp Interface allows the BMW factory amplifier, the output from all speakers including subwoofer, and premium sound quality to be retained when installing ANY aftermarket radio. Your aftermarket radio must have the REMOTE ON feature to tell the factory amp to power on for sound output.
When installing the adaptor into your BMW you must make sure that the fibre optic signal loop is not broken. If you have other devices which can include original CD Changer, satellite radio, and telephone module they must stay connected so the fibre optic signal loop is consistent. If you would like to remove the CD changer, satellite radio or telephone module you can but you will need our MOST Fibre Optic Bypass Loop Adapter Plug OR MOST Fibre Optic 5 Meters Cable our to make a direct connection from the MOST interface to the factory M.O.S.T. (Media Oriented Systems Transport) amplifier.
To identify if you have a factory-amplified audio system, you can check the vehicle in a number of ways. Some vehicles will have clear markings on the speaker grills indicating the presence of an upgraded audio system. You can also check with the original order notes/invoice from when the car was purchased from the factory, the upgraded sound system with an amplifier would show on the options list. If unsure, you can call your local dealer with your vehicles chassis number and ask them to check if the vehicle was manufactured with an amplified audio system.
VEHICLE COMPATIBILITY LIST
MOST Fibre optic interface to allow the fitting of a new head unit into a BMW with the TOP HI FI SYSTEM (Logic 7/ Harman Kardon) original audio and retain the use of the fibre optic amplifier. Please Note: You will lose front to rear fading ability.
Compatible with:
- BMW 1 series [E81/E82/E87/E88] (2004-2010)
- BMW 3 series [E90/E91/E92/E93] (2006-2011)
- BMW 5 Series [E60/E61] (2004-2010)
- BMW X3 [E83] (2004-2010)
- BMW X5 [E70] (2007-2013)
- BMW Z4 [E89] (2009-2016)
What Is ‘TOP HIFI’?
Premium Sound (known internally to BMW as “TOP HIFI”) relates to any BMW premium sound system branded as:
- Logic 7
- Harmon Kardon
- Individual Audio
- Enhanced Premium
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