This is P3 GAUGE AP3BE8X BMW E81/E82/E87/E88 BMW 1 Series (2004-2013) - P3 Analog Gauge.
This gauge IS NOT plug and play. Boost/vacuum hose to the engine is required and wiring needs to be completed for power, ground, and optional analog inputs.
4 Available Analog Readouts
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Analog boost (yellow/purple/black - dedicated plug for analog boost sensor) *boost tap not included
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Analog input 1 (brown wire - can read any 0-5 volt linear output sensor)
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Analog input 2 (blue wire - can read any 0-5 volt linear output sensor)
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Battery voltage (red wire / black wire - read through power and ground wires)
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optional auto-dim feature (green wire - connect to any circuit that gets power only when the headlamps are on and enable feature in the configuration menu for the display to auto-dim when the headlamps are on)