Description
OEM number 9233964 — genuine used BMW E90 / E92 (3 Series, 2005–2012) Hi-Fi AMP_AS Audio Amplifier, genuine used, tested.
This amplifier powers the Hi-Fi speaker array fitted to E90/E92 models with the active sound upgrade option. It processes audio across multiple channels from the head unit and distributes it to all speaker positions with high-fidelity output, forming a key part of the E90/E92 premium audio system.
Failure symptoms include distorted sound, loss of specific speaker channels, reduced volume, or complete audio failure. These indicate the amplifier has developed a fault and requires replacement.
This is a genuine used, OEM-tested unit in good working condition. Verify part number 9233964 before ordering. Professional installation is recommended. We offer a 14-day return policy on all parts.
Returns accepted only for genuine faults — faulty on arrival, not as described, or wrong part supplied — requested within 14 days, with all 3 anti-tamper stickers intact. No returns for change of mind, incorrect installation, coding/programming, or buyer compatibility errors; checking compatibility (OEM number, firmware, vehicle) is the buyer’s responsibility. Full policy: https://giantparts.eu/refund-and-returns/
