2006 BMW 760LiFACTORY OEM SERVICE PROCEDURE

Basic Hi-Fi Amplifier

A hi-fi system is offered as standard equipment and is characterized by vehicle-specific tuning to the interior (equalizing) with balanced acoustics.

The basic signals delivered by the ASK are amplified in the hi-fi amplifier equipped with bridge end stages. The output power is 40 W per channel. Total system output is 180 watts.

Fig 1: Basic HI-FI Amplifier System Diagram
G03391480Courtesy of BMW OF NORTH AMERICA, INC.

The hi-fi amplifier is controlled by the ASK. The medium-range loudspeakers and the tweeters are directly controlled by the ASK. The large sub-woofers underneath the driver and passenger seats are driven by the amplifier.

The hi-fi amplifier has no diagnosis capability.

Location of the hi-fi amplifier in the left rear corner of the trunk.Β 

Fig 2: Identifying Location Of Hi-Fi Amplifier In Left Rear Corner Of Trunk
G03391481Courtesy of BMW OF NORTH AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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