Active adapter to run a bridge-analogue amplifier. BMW 1, 3, 5 series.

BMW Active System AdapterActive system adapters retain the function of a boosted OEM system. This allows you to connect an aftermarket radio to a system with a factory amplifier, while retaining the OEM amplifier and connected speakers by adapting, matching or converting the signal source output signals to the OEM amplifier signal input. Depending on depending on the vehicle and the installed OEM amplification system, various functions such as fader (front, rear) or subwoofer sound adjustment may be lost. In individual cases, depending on the OEM system and the retrofitted radio, increased noise or switching noise may occur .Check functionality before final assembly.Note:connector: reinforced OEM system MOST > RCA(m) red/whiteconnector: loose wiresyellow: +12V clamp current 30black: GND terminal 31red: ignition terminal switched +12V 15 / amplifier remote control / antenna remote controlRCA > front preamplifier output with HUfader marking is not supportedBrand and model:BMW 1er (E87) 09/2004 - 03/2007BMW 1er (E81/E82/E87/E88) 04/2007 - 01/2012BMW 3er (E90/E91/E92/E93) 03/2005 - 02/2010BMW 3er (E90/E91/E92/E93) 09/2008 - 09/2013BMW 5er (E60/E61) 07/2003 - 03/2007BMW 5er (E60/E61) 03/2007 - 07/2010